Best AQUARIUM AUTOMATIC TOP OFF SYSTEMS
At Aquarium Accessories Reviews, we take pride in our rigorous review process. Each product is handpicked based on market research, personally tested by our experienced team for functionality and durability, and evaluated for value for money. Alongside our hands-on experience, we also consider real user feedback. This meticulous approach ensures we provide honest, transparent, and comprehensive reviews to guide your aquarium accessory purchases.
1
IceCap Dual Optical ATO - Auto Top Off Controller
Brand: IceCap
3.6 ✓
2
AquaticLife Float Valve Kit for RO & RO/DI Systems
Aquatic Life Store
4.5 ✓
3
ZAOJIAO Auto-top-Off ATO Solution Auto Water Filler Adjustable Float Valve Mounting for Aquarium Sump
SENSTREE Store
4.3 ✓
4
EPTTECH Aquarium Marine Reef Fish Tank Automatic Auto Top Off Water Filler Water Level Controller Smart Top Up ATO System (Micro ATO)
Brand: EPTTECH
3.6 ✓
5
ZAOJIAO Auto-top-Off ATO Solution Auto Water Filler Adjustable Float Valve Mounting Aquarium Sump + 1/4" Tube 3 Meters 9.8ft Pipe RO Water Filter System PE White
SENSTREE Store
4.1 ✓
6
Auto Water Filler, Plastic Nonelectric Water Level Controller Auto Top Off System Adjustable Float Valve Mounting for Aquarium Fish Tank
Pssopp Store
4.4 ✓
7
Kamoer ATO One SE Smart Automatic top Off System Silent Water Replenisher Water Level Controller for Fish Tank Water Tank Aquarium(with Submersible Pump and Sensor)
K KAMOER Store
4 ✓
8
SKEMIX Auto Top Off Water Filler Aquarium Mini ATO System Fish Tortoise Tank Water Level Controller No Wiring Float Valve
Brand: SKEMIX
4.1 ✓
9
Float Valve Auto Water Filler Aquarium Water Level Controller Adjustable Float Valve Nonelectric Top-Off Water System for Aquarium Sump
Brand: Hffheer
3.6 ✓
10
SENSTREE 52 GPH (200L/H, 3.5W) Submersible Water Pump, DC 12V Ultra Quiet Fountain Pump, 4.9ft High Lift Mini Brushless Pump with 1.4m (4.59ft) Power Cord for Fish Tank, Pond, Aquarium Auto Top Off
SENSTREE Store
3.8 ✓
We will continue to update this buyer's guide once a month or two.
The best AQUARIUM AUTOMATIC TOP OFF SYSTEMS in 2024 - Detailed Product Descriptions
1. IceCap Dual Optical ATO - Auto Top Off Controller
More PhotoOptical sensor may not operate properly in aquariums with high turbidity
2. AquaticLife Float Valve Kit for RO & RO/DI Systems
AUTO-SHUT OFF FLOAT VALVE – AquaticLife Float Valve Kit for RO and RO/DI units will allow your reverse osmosis system to automatically turn on and off. It includes the necessary RO auto shut-off valves and tubing.
FILL TANKS, CONTAINERS, AND AQUARIUMS – This auto-fill float valve kit allows you to fill large tanks, containers, and aquariums automatically. Float fill valves are simple to install and can save a lot of water.
CONNECTS TO MOST RO & RO/DI UNITS – The water float valve connects directly to existing RO and RO/DI units. The ¼” Press Fittings work with standard reverse osmosis tubing.
KIT INCLUDES – If you’re using this kit with a reverse osmosis or RO/DI system, you WILL NOT need any other components. Kit includes an auto-shut off float valve, check valve, tubing, ½” FPT to Press-Fit adapter.
UNSURPASSED QUALITY AND SATISFACTION – AquaticLife manufactures premium-quality products. Every product that goes out the door meets our highest quality and standards.
3. ZAOJIAO Auto-top-Off ATO Solution Auto Water Filler Adjustable Float Valve Mounting for Aquarium Sump
The ATO system is easy to hang on to your aquarium sump.
It is suitable for 5 to 18mm thickness of aquarium.
Pressure: 0.02-0.8MPa.
Material: Polyethylene Plastic and Acrylic.
The range of Water level from aqurium sump top is 0-25mm or 0-10".
4. EPTTECH Aquarium Marine Reef Fish Tank Automatic Auto Top Off Water Filler Water Level Controller Smart Top Up ATO System (Micro ATO)
Package:Includes ATO Controller,Pump,Power Supply,1.8meters hose,hose holder and user manual;
Advantage:1. Magnetic installation 2 Safty level to invoid overfill 3 Small size
Function:Keep the water in almost the same level of the tank
Max tank thickness:12.5mm
5. ZAOJIAO Auto-top-Off ATO Solution Auto Water Filler Adjustable Float Valve Mounting Aquarium Sump + 1/4" Tube 3 Meters 9.8ft Pipe RO Water Filter System PE White
Including float valve, acrylic bracket, nylon screw and 1/4" 3m 9.8ft pipe.
The ATO system is easy to hang on to your aquarium sump
It is suitable for 5 to 18mm thickness of aquarium
The range of Water level from aqurium sump top is 0-25mm or 0-10"
Pressure:0.02-0.8MPa, material: Polyethylene Plastic and Acrylic
6. Auto Water Filler, Plastic Nonelectric Water Level Controller Auto Top Off System Adjustable Float Valve Mounting for Aquarium Fish Tank
By Pssopp Store
【Scope of Application】Our Auto water controller is suitable for the aquarium which is under 15mm thickness. The adjustable range of water level is 0.5-15cm.
【Easy to Install】This auto-top-off system is easy to install on to your aquarium sump.Comes with a O-ring, can meet 16/12 water tube, and the water will not leak.
【Easy to Use】Float valve for manual adjustment, no other tool, no metal screws, no corrosion.
【Premium Material】This Auto water filler is made of high quality acrylic, which is stable and durable, not easily knocked, the smooth surface will make it a easy work to clean it.
【Quality Guarantee】Guarantee 100% refund, if you have any dissatisfaction on the quality of goods, please contact us, we are willing to send you a new goods or a full refund.
7. Kamoer ATO One SE Smart Automatic top Off System Silent Water Replenisher Water Level Controller for Fish Tank Water Tank Aquarium(with Submersible Pump and Sensor)
Kamoer ATO one se automatic water replenisher, a good helper for the fish tank at home!It has the function of adding water overtime alarm to prevent water level overflow caused by sensor failure.
This ATO is equipped with S1 float sensor, also called anti-overflow sensor (to prevent excessive water replenishment and water overflow) and S2 optical sensor (also called water replenishment sensor). Usually note: In the case of ATO running normally, S1 is not working, and the float state is sinking. S2 works.（Sensors may fail if not properly installed, make sure they are properly installed (or unplugged and reinstalled).）
In daily use, S2 is a sensor that detects the lowest water level. The function of S1 is to cause the float to rise when the water level exceeds the S2 optical sensor and reaches the S2 float sensor when S2 fails (for example, foam is generated in the sea tank, etc.) Alarm, stop refilling.
Please install the sensor correctly (the main picture has a picture description), otherwise the product will not work. And the distance between the two sensors is not less than 10cm. The height difference between the make-up bucket and the sump/master tank should not exceed 1.5 meters, and the liquid level of the make-up bucket should not be higher than the liquid level of the sump/master tank.
Some problems mentioned in product reviews: such as quality assurance, installation problems, and product failure to work, etc., please watch the demo video and detailed introduction on the details page. We give a detailed explanation on the details page.
8. SKEMIX Auto Top Off Water Filler Aquarium Mini ATO System Fish Tortoise Tank Water Level Controller No Wiring Float Valve
When you are on a business trip or traveling, use our water compensator to avoid water shortage in your fish tank, aquarium tank, tortoise tank, or other tanks.
Better than a float valve, no wiring or power required, takes less space.
Easy to use, practical and interesting. Just screw the compensator to a water bottle, then stick it to the tank.
When the water level drops to reveal the shorter tube, the water in the bottle automatically flows into the tank due to pressure difference.
Each compensator comes with 3 replaceable slots, suitable for 4 kinds of tank thickness: 4mm, 6mm, 8mm, and 10mm. For other thickness, you need to prepare extra gasket.
9. Float Valve Auto Water Filler Aquarium Water Level Controller Adjustable Float Valve Nonelectric Top-Off Water System for Aquarium Sump
How It Works: Float valve for manual adjustment, no other tool, no metal screws, no corrosion.When the water level is low, the float ball opens the valve downward to allow water to flow into the reservoir. When the water level is high, the float ball drives the valve upward and closes the valve so that water can no longer flow into the fish tank.
Convenient to Install: This auto-top-off system is easy to install on to your aquarium sump.Comes with a O-ring, can meet 16/12 water tube, and the water will not leak.Float valves are used to shut down your reverse osmosis system when the float is elevated,It automatically start and stop water flow.
Scope of Application: Our Auto water controller is suitable for the aquarium which is under 15mm thickness. The adjustable range of water level is 0.5-15cm.The float is adjustable to allow you to control the water height.
Premium Plastic and Acrylic: This Auto water filler is made of high quality acrylic and plastic, which is stable and durable, not easily knocked, the smooth surface will make it a easy work to clean it.
Quality Guarantee: Guarantee 100% refund, if you have any dissatisfaction on the quality of goods, please contact us, we are willing to send you a new goods or a full refund.Our set does not include water pipes, please purchase additional water pipes when using.
10. SENSTREE 52 GPH (200L/H, 3.5W) Submersible Water Pump, DC 12V Ultra Quiet Fountain Pump, 4.9ft High Lift Mini Brushless Pump with 1.4m (4.59ft) Power Cord for Fish Tank, Pond, Aquarium Auto Top Off
★Ultra Quiet. The relible and duarable motor does not produce much noise, giving you quiet environment.
★Powerful. It can elevate column of water up to 4.9ft ( 1.5m). Lift height is a max height the water goes up, after connecting the water pipe to the nozzle (Make sure the joint sealed securely and tightly).
★Voltage: DC 12V. No adapter. If the voltage does not match, it will cause the pump to not work or burn out. Use it in clean water to avoid clogging.
★Small size, easy to install. The mini size makes the pump easy to hide or disguise in the water. Suction cups is great for mounting onto the glass surface. Dimensions:1.53in x 1.41in x 1.11in (39mm x 36mm x 28mm).
★Tips: Make sure that the pump works in fresh water, not in corrosive liquid. Avoid long-term dry burning of the product and clean the pump if needed.
11. Himarine Smart Auto Aqua ATO kit Automatic Top Off System Water Filler Refiller Water Level Controller w/Water Pump for Marine Reef Aquarium Fish Tank (Smart ATO)
Extremely compact design, simple and beautiful, the best choice for aqurium
Dual-optical level sensor in one pack provides dual protection, Multiple sensors are combined into a single probe, including a back up sensor inside, which automatically switches when the main detector fails
Quick Security Technology provides real-time failsafe protection against failure
Included Sensor protective cover, Blocking debris
Multicolor LED light alert
12. Auto Water Controller, Fish Tank Auto Water Filler Controller Auto-top-Off System Adjustable Float Valve Mounting for Aquarium
By Estink Store
【Application】This auto water controller is suitable for the aquarium which is under 15mm thickness. The adjustable range of water level is 0.5-15cm. Comes with a O-ring, can meet 16/12 water tube, don't leak.
【Application】This auto water controller is suitable for the aquarium which is under 15mm thickness. The adjustable range of water level is 0.5-15cm. Comes with a O-ring, can meet 16/12 water tube, don't leak.
【High Quality】The bracket is made of high quality material, stable and heavy enough, not easily knocked.
【Manual Adjustment】Float valve for manual adjustment, no other tool, no metal screws, no corrosion.
【Easy to Install】This auto-top-off system is easy to install on to your aquarium sump.
【Package Contain】1 X Water Filler; 3 X Accessory; 1 X Bracket. If you have any question, please feel free to contact us, we will solve for you as soon as possible.
13. eecoo Auto Water Filler Controller Auto-top-Off System Adjustable Float Valve Mounting Self Water Filler Plastic Nonelectric Water Level Controller for Aquarium
By eecoo Store
This auto-top-off system is easy to install on to your aquarium sump. The water filler support adjusting water level ranging form 2cm to 15cm, and it can work with water purifier or normal water bucket. for floorball for auto top off
Float valve for manual adjustment, no other tool, no metal screws, no corrosion. Comes with a O-ring, can meet 16/12 water tube, don't leak. for floorball for auto top off
It is suitable for the aquarium which is under 15mm thickness. The adjustable range of water level is .5-15cm. for aquarium powerhead
The automatic water controller of the aquarium is made of standardized high-quality materials, which is strong, durable, environmentally friendly and not easy to beat. for aquarium powerhead
Perfect for filling water for aquariums or fish tanks, which can better control the water level and prevent those aquarium creatures form dying due to the lacking of water. for mini float valve
14. WuyouChy Aquarium ATO System Fish Tank Water Level Controller Automatic Top Off Water Filler with Adapter
When you are on a business trip or traveling, use our water compensator to avoid water shortage in your fish tank, aquarium tank, tortoise tank, or other tanks.
Better than a float valve, no wiring or power required, takes less space.
Easy to use, practical and interesting. Just screw the compensator to a water bottle, then stick it to the tank.
When the water level drops to reveal the shorter tube, the water in the bottle automatically flows into the tank due to pressure difference.
Each compensator comes with 3 replaceable slots, suitable for 4 kinds of tank thickness. And an Evian 1L bottle will fit the threads well. For other bottles, you may use the adapter.
15. Pssopp Auto Water Filler Controller Nonelectric Auto top Off System Water Level Controller Adjustable Float Ball Valve for Aquarium Fish Tank
By Pssopp Store
Automatically Adjust Water Level:No need for electric float to supplement water. Instead, use atmospheric pressure or water pressure to refill water. The height of water level can be freely adjusted within 15cm(5.9in).
Working Principle:Through the principle of tap water pressure, pump pressure and water ball valve limit, the water body of the water tank or domestic tap water can be easily introduced into the water tank.
Equipped with Hose:Equipped with hose, so the water filling of your aquarium will become easier than before.
High Quality:This Auto water filler is made of high quality acrylic bracket and plastic material, which is sturdy, durable and eco friendly. The smooth surface will make it a easy work to clean it.
Unique Hanging:Designed with unique hanging, it can be directly hung on aquariums or fish tanks, no more other components were needed. The connections between the parts are very tight and the water will not leak.
16. Clscea Aquarium Auto Top Off System Water Filler Compensator Blue, 1pcs
By Clscea Store
Great for nano tanks, use with the principle of differential pressure to automatically refill water, simple and practical. You need to prepare 0.5-1.5L (16.9-50.7 FL Oz) plastic water bottles such as EVAIN / Coca Cola / Fiji yourself.
Built-in noise reduction device can effectively reduce noise. (Note: not completely silent).
Screw-free, no damage to the tanks. Made of corrosion-resistant ABS material, which is also usable in saltwater. The length of the tubing (manually cut) allows you to adjust the water level.
Suitable for tanks with 3-10mm /0.12-0.39in wall thickness. Note: Incompatible with rimmed tanks and curved fish tanks; and tanks with 3mm/0.12in or 5mm/0.2in thickness wall need to use the self-adhesive gasket (included).
A reliable gadget during business trips or travel. Compatible with fish tank, tortoise tank, planted aquarium, saltwater aquarium, etc. For tanks longer than 40cm/16inch, it is recommended to use 2 refillers together.
17. hygger Mini Intelligent Auto Top Off System with Controller Magnetic Mount Aquarium ATO Pump Water Refill Saltwater Reef Tank Supplies up to 60 Gallon
By hygger Store
【How does it Work】Automatic top off system with 2 optical sensors monitors and replenishes evaporated water each day. A great time and energy saver for saltwater tank fish keeper especially when you are not at home.
【Fail-Safe Design】build in two set of sensors, hygger auto top off keeps track of the water line of aquarium/sump tank. ATO monitoring sensor which keep a constant watch on the water level in your tank, and when it drops below a certain level and the water pump will be activated to automatically refill the tank. While the external sensor monitors reservoir's water level to ensure the water pump not running dry as a result of water drying out.
【Overfill Protection】Use a top probe to sense the high water level, the ATO sensor alerts with flashing led light and beeping sound if there is any malfunctioning with the device itself, auto shut off the water pump when the water level exceeds the desired maximum top off level. It to be used in both marine and freshwater aquariums up to 60 gallon.
【Enable Drain Out Water】 Comes with a mini DC-powered water pump and a soft hose which can effectively pumps water from bucket/jug with a head height of up to 2 meters. Vice versa. It can also drain dirty water out of the tank. Flow rate: 74gph.
【Packing Include】 1 x ATO monitor sensor; 1 x external sensor; 1 x water pump; 1 x 5.9 ft soft hose; 1 x hose holder; 1 x user manual. A read-to-go kit out of box, it is easily installed via a magnetic mounting which can be used on tank glass up to 1/2'' (12mm) thickness.
18. JEBAOJECOD Smart Aquarium Auto Top off Water Refiller System,Water Replenisher Water Level Controller for Fish Tank(Jebato-150) Black
JEBAO ato,smart aquarium automatic top off system,water level controller for fish tank,
With 42gph DC12Vquiet pump,5 ft max lift,silent water replenisher
6.5ft soft tube with tube holder ,with siphon break and magnet mount sensor ,tank thickness up to 1/2" (12mm)
Automatic water refill and quiet operation,suitable for salt water and fresh water
Use smart magnet mount optical sensor,LED light alert,
19. 1/4 inch Plastic Adjustable Tube Float Valve Kit for Aquarium Water purifiers , Auto Water Filler Controller Auto-top-Off System, RO Water Reverse Osmosis System (1 Float + 5 Connect)
The float can be manually adjusted for side or top use，No tools required , easy to use . Remove the white needle and adjust the direction of the float to change the controls you need
This auto off Float Valve system is easy to install on to your aquarium sump，only suitable for the aquarium which is under 11mm thickness glass.
Standard fitting for water filter systems using 1/4" OD Water tube
The Tube Float Valve diameter is 5/8"，It can be mounted on the side or top , Comes with a O-ring, don't leak.
Material: Polypropylene Plastic Tubing , Non-toxic ingredients , Odorless and tasteless
20. Zerodis Aquarium Water Filler, Tube Wall Mounted Automatic Top Off Water Refiller Pipe Fish Tank Auto Water Filler Tube
【Widely Applicable】 The top off refiller tube supports 3/8, 1/2, 3/4 hose to use, suitable for a variety of caliber hose.
【Free Hands】 Automatic aquarium filler tube, simple and convenient to operate, free your hands, save time and effort.
【Wall Mounted】 This aquarium automatic water refiller tube is wall mounted and can be added at any time.
【Premium Material】 Automatic fish tank filler tube is made of premium plastic material, durable.
【Control Valve】 Fish tank filler tube designed with control valve, easy to open and close, simplify the operation.
21. Zerodis Aquarium Auto Top Off Water Changer Aquarium Water Filler Tube Fish Tank Water Filler Pipe Wall Mounted Automatic Top Off Water Refiller Pipe for 3/8 1/2 3/4 Hose Wall Mounted Water
Aquarium Auto Water Filler .Free Your Hands: Automatic aquarium filler tube, simple and convenient to operate, free your hands, save time and effort. aquarium gravel cleaners and target audience keywo.
Fish Tank Water Filler Pipe.Widely Applicable: The top off refiller tube supports 3/8, 1/2, 3/4 hose to use, suitable for a variety of caliber hose. aquarium gravel cleaners and .
Aquarium Gravel Cleaners.Premium Material: Automatic fish tank filler tube is made of premium plastic material, and durable.
Fish Tank Water Filler Pipe.Wall Mounted: This aquarium automatic water refiller tube is wall mounted and can be added at any time.
With Control Valve: Fish tank filler tube designed with control valve, easy to open and close, simplify the operation.
22. Aquarium Circulation Pump Wave Maker, Ultra Quiet 800-5200 GPH Fish Tank Powerhead, 360° Adjustable Submersible Water Pump with Suction Cup for 20-120 Gallon Tank (3W, 800GPH)
Powerful and Ultra-Quiet - Using durable ceramic impeller shaft, more quietly and efficiently to circulate the water. 3W, 800GPH flow rate with lower energy consumption, ideal for 20-40 gallon freshwater and saltwater tank.
Create Water Circulation - The circulating water flow formed by the wave maker pump can achieve the effect of simulate natural water flow. Stabilizing water quality, improves water circulation and oxygenation, and blow away fish feces and food debris, creating a healthy living environment for your aquarium.
360° Adjustable Direction - The wavemaker is flexible, pump head can 360° rotation, easily to adjust the water flow direction, creating waves of water movement to clean corners of the residue to eliminating dead spots.
Easy to Install - Equip with strong suction cup, just suck the cup to the tank inner wall (must be totally submersed under water), plug in and it works. Design with adjustable non-slip snap to adjustable the water flow and also prevent baby fish, corals, and starfish from getting involved.
Wide Application - Adopt ceramic impeller shaft, performance is more stable and longer life-span, can be safely used in fresh and salt water, various fish tanks, aquatic aquariums, coral aquariums to maintaining crystal clear water.
23. AQQA Wave Maker for Aquarium Circulation Pump, 1580GPH Ultra-silent Aquarium Powerhead with Strong Magnet Suction Base, 360° Rotating Aquarium Wavemaker for 16-126 Gal Fish Tank
By AQQA Store
【Perfect for Aquarium】The wave maker simulates the natural water flow, with a powerhead that stirs the water in the tank to increase dissolved oxygen and promote water circulation, providing a healthy and comfortable aquarium environment
【360° Flexible Roating】The pump with a 360° rotating design promotes water circulation without dead space to prevent fecal debris from settling on the bottom. The filter purifies the water by absorbing the impurities in the stirred-up water
【Ultra-silent Aquarium Circulation Pump】The pump body uses a premium propeller and motor and the base uses high-quality rubber for cushioning to achieve the vibration-damping effect that makes the pump works silently
【Never Slip Down】The Aquarium wave maker is designed with a powerful magnetic suction base that can be stably mounted on the fish tank. Never worry about slipping and hurting aquatic plants
【You Will Get】1pc 4W aquarium wavemaker * 1pc user manual. And you will get a 1-year warranty and 7*24H lifetime customer service
24. EPTTECH Aquarium Marine Reef Fish Tank Automatic Auto Top Off Water Filler Water Level Controller Smart Top Up ATO System (Max Tank Thickness 12.5mm)
Package:Includes ATO Controller,Pump,90-250VAC Power Supply,1.8meters hose,hose holder and user manual;
Advantage:1.No cable in the fish tank 2.Magnetic installation
Function:Keep the water in almost the same level of the tank
Max tank thickness:13mm
25. MostAqua Auto Top Off for Freshwater Saltwater Aquarium, Fish Tank ATO Aquarium Top Off System
Compact design, upgraded safer optical sensor, no matter how long you are away, ATO system can ensure that your tank is refilled in time.
The unit comes with a micro whisper pump, small but powerful, with a maximum head of 3 meters and a maximum flow rate of 70 GPH.
Anti-overfill function can avoid flooding your fish tank, more reliable.
The patented design of the tube holder can not only fix the re-filling tube but also can be used to hold the air tube.
MostAqua offer 90 Days warranty. If you are not happy with our Aquarium ATO or receive a defective unit, we will propose you satisfactory resolution. Please feel free to contact with us if any questions or concerns.
26. Smart Auto System for Aquarium Auto Top Off Water Refiller System,Water Replenisher Water Level Controller with Quiet Submersible Pump and Sensor for Fish Tank,Black
The smart aquarium auto top off kit,water level controller for fish tank,which can monitor and automate the refilling of the fish tank.
The auto top off system easy to install and maintain,Easily install on terrarium with a wall thickness of no more than 1/2" (12mm)
The water refiller system with ultra quiet pump of flow rate 42gph,the max lift is 5 feet.
Easy to operation. Anti-overflow protection design and will automatically cut off power when water level is too high.
This water replenisher with pump and sensor,it is suitable for aquarium,sump,fish tanks,coral reef tanks,etc.
27. Auto Top Off System, Oritis Water Refiller Water Level Controller Automatic Water Change for Aquarium Fish Tank Swimming Pool Saltwater Freshwater, Sump Pump Pits
By Brand: Ortis
AUTOMATIC WATER CHANGE: Compared with other products that can only refill or drain water, our water level controller can automatically change the water for your fish tank or swimming pool in addition to the basic water filling/draining function. Just one press, water changed, time and effort saved. Moreover, you can also switch to manual control mode. Four modes in one product can easily meet your different needs.
HI-LO DUAL SENSORS: Our sensors use a patented water level detection method to keep the electrodes intact for 10 years. It is made of 304 stainless steel and will not affected by minerals or water debris. It is highly resistant to corrosion and never needs cleaning. Also the heights of the two sensors are adjustable. The Ortis water level controller has completely overcome the shortcomings of traditional mechanical float switches that are prone to mechanical failures.
SAFE & EASY TO USE: Anti-overflow protection-- it will automatically stop working if the water level reach the high sensor you set and you don't have to worry about flooding at home; the built-in alarm will remind you in case of pump failure or blockage of the discharge pipe, etc. If you feel noisy, you can also set mute; the value is indicated by LED Clear light display for easy viewing and setting.
WIDE APPLICATIONS: Thanks to the automatic water change function, our water level controller is your best partner for maintaining freshwater and marine water aquariums, tanks, swimming pools. It is compatible with all sump and utility pump (Max 2Hp, 16A) and can replace any existing float switch for narrow or crowded sump pits. If you want peace of mind for business or travel, you can't go wrong with us!
EASY INSTALLATION: Installation is simple and does not require any changes to the plumbing. Comes with all the needed installation tools and detailed instructions are attached to guide you on the different installation scenarios. With a two-year warranty and full refund for no reason, we're committed to giving you a truly worry-free shopping experience.
28. Useek Auto Top Off for Saltwater Aquarium Water ATO System for Both Reef and Fresh Tank - Green
By Brand: Useek
WHY YOU NEED ATO? - All Aquarium regularly evaporate water. In salt water Aquarium, as the water evaporates, the water level in Aquarium will drop and the salinity concentration will rise. Compared with other methods,The ATO system automatically maintains the water level in the aquarium, preventing fluctuations in salinity concentration and maintaining a stable and healthy environment for aquatic life.
SPACE-SAVING, COMPACT DESIGN - With a nano size of only 0.7 inches diameter, this Auto Top Off for aquariums is both unobtrusive and elegant, fitting seamlessly in rimmed or rimless tanks and sumps.
REAL-TIME PROTECTION WITH QST - Our ATO system carefully calculates and adjusts to the ideal fill time, offering visual alerts and stopping the pump if it detects a refilling time 6 times longer than expected, ensuring protection against overfilling, dry running, and sensor malfunctions.
EASY INSTALLATION & VERSATILE USE - The Auto Top Off kit includes everything you need for a hassle-free setup, making it simple to integrate into any rimmed or rimless aquarium. A perfect gift for aquarium enthusiasts, this system is a delightful surprise for friends and family alike.
TWO-YEAR WARRANTY & RESPONSIVE CUSTOMER SERVICE - Your satisfaction is our priority, so we offer a two-year product warranty and friendly customer support to address any questions or concerns. Enjoy peace of mind with our free replacement policy and helpful assistance.
29. DGHAOP Aquarium Auto Top Off System Water Filler Compensator for Panel Glass Thickness Below 15mm (Refiller + Adaptor)
The product is made of environmentally friendly and healthy ABS plastic, which is strong and durable, harmless to aquatic life, wear-resistant, and seawater can also be used.
The product is made of environmentally friendly and healthy ABS plastic, which is strong and durable, harmless to aquatic life, corrosion and wear resistance, and seawater can also be used.
The controller size is 45*45mm(1.7*1.7in); It can clamp the glass or panel of the fish tank up to 15mm.
The product adopts the principle of pressure difference automatic water refill, simple and practical; Unique triangle design can help you more stable to use; The internal interface can be connected to the gas pipe exhaust to help you to achieve silence.
High-quality water level controller, suitable for most small and medium-sized fish tanks on the market; Both fresh and seawater can be used.
30. Red Sea 3-in-1 ReefATO + ATO Auto Top Off System for Aquarium | Water On Floor Alarm | App Controled with Fish Tank Temperature Probe
Fail-proof (solid-state EC technology) water level sensor, with built-in back-up pump-OFF probes located 2.5cm / 1” above the normal pump-OFF point.
The full array of the Reef-Spec titanium probes gives an indication at all times of the actual water level relative to the sensor, which can be seen on the ReefBeat App at all times.
The temperature sensor integrated in the ATO+ sensor has been pre-calibrated to give an accuracy of ±0.1°.
Safe, Powerful and Quiet ATO Pump - Cylindrical design with diameter of 4.5cm / 1.8” to fit inside standard jerrycans.
Leak Detector The highly sensitive, Reef-Spec leak detector with saltwater resistant titanium probes detects the full range of waters from RODI to seawater.
