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Best AQUARIUM WATER SOFTENERS

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.

We will continue to update this buyer's guide once a month or two.

The best AQUARIUM WATER SOFTENERS in 2024 - Detailed Product Descriptions

1. Tetra AquaSafe Plus 16.9 Ounces, aquarium Water Conditioner And Dechlorinator (16213)

By Tetra Store

Tetra AquaSafe Plus 16.9 Ounces, aquarium Water Conditioner And Dechlorinator (16213)

CONDITIONS aquarium WATER: Essential care formula protects fish and reduces stress.
MAKES TAP WATER SAFE: Monthly treatment with partial water changes removes harmful chlorine.
INSTANT RESULTS: Works quickly to make tap water safe for fish.
ESSENTIAL WATER CARE: Use when setting up a new aquarium, with monthly partial water changes or evaporation replacement.
USAGE: Add 2 teaspoons for every 10 gallons of aquarium water.
Packaging may vary

2. Seachem Equilibrium 300gram

By Seachem Store

Seachem Equilibrium 300gram

MINERALS: Equilibrium is specifically designed to establish the optimal mineral content for the planted aquarium. When this mixture is added to the aquarium it will impart a slight haze that should clear within 15–30 minutes.
EQUILIBRIUM: Does not contain sodium or chloride (which can be detrimental to a planted aquarium at elevated levels).
SUITED FOR: Equilibrium is preferably suited for use with RO (reverse osmosis) and DI (deionized) water or any mineral deficient water.
BALANCE: Equilibrium raises the essential mineral/electrolyte content (General Hardness) of the water to balance with and promote stability of the carbonate hardness.
DIRECTIONS: To raise mineral content/general hardness (GH) by 1 meq/L (3 dH), add 16 g (1 tablespoon) for every 80 L (20 US gallons) when setting up an aquarium or when making water changes (add to new water). It is normal for this product not to dissolve right away and it will not harm the tank. It will dissolve over the course of about 12 hours.

3. Seachem Betta Basics 250ml

By Seachem Store

Seachem Betta Basics 250ml

Creates ideal environment both bettas and plants
Removes any chlorine, chloramine and detoxifies ammonia
Buffers to 7.0

4. Seachem Neutral Regulator 250gram

By Seachem Store

Seachem Neutral Regulator 250gram

Adjusts pH to neutral
Removes Chlorine, Chloramine
Detoxifies ammonia

5. API PROPER pH 7.0 Freshwater Aquarium Water pH Stabilizer 8.8-Ounce Container

By API Store

API PROPER pH 7.0 Freshwater Aquarium Water pH Stabilizer 8.8-Ounce Container

Contains one (1) API PROPER pH 7.0 Freshwater Aquarium Water pH Stabilizer 8.8-Ounce Container
Sets and stabilizes water pH to neutral to help keep fish healthy and colorful
Removes toxic compounds from tap water to make it safe for fish
Use exclusively in freshwater aquariums that do not contain live plants
Use when setting up a new aquarium, adjusting pH in an established aquarium or changing water

6. Fluval ClearMax Phosphate Remover, Chemical Filter Media for Aquariums, 100-gram Nylon Bags, 3-Pack, A1348, All Breed Sizes

By Fluval Store

Fluval ClearMax Phosphate Remover, Chemical Filter Media for Aquariums, 100-gram Nylon Bags, 3-Pack, A1348, All Breed Sizes

Filter Compatibility: Compatible with Fluval Series Canister Filters 06, 07, FX, and more.
Water Clarification: ClearMax is a premium-grade resin chemical filter media that absorbs phosphate, nitrite, and nitrate. The filter media makes aquarium maintenance easier and reduces odors.
Ideal Environment: ClearMax helps create crystal clear water, making ideal conditions for fish and plants in your tank.
Versatile: This filter media is suitable for freshwater and saltwater aquariums. Replace monthly for best results.
Pack Includes: Each ClearMax pack includes three 100-gram nylon bags.

7. API BIO-CHEM ZORB SIZE 6 Aquarium Canister Filter Filtration Pouch 1-Count Bag

By API Store

API BIO-CHEM ZORB SIZE 6 Aquarium Canister Filter Filtration Pouch 1-Count Bag

Contains one (1) API BIO-CHEM ZORB SIZE 6 Aquarium Canister Filter Filtration Pouch 1-Count Bag
Cleans and clears aquarium water removing aquarium pollutants, including colors, odors, and toxic compounds which cloud water and degrade water quality
Contains a unique superior resin-carbon blend that removes compounds 3x more effectively than carbon alone
Easy-to-use pre-dosed pouch fits most canister filters on the market for freshwater, saltwater and reef aquariums
Use when starting or maintaining an aquarium, replace every 2 months or sooner if aquarium is heavily stock and/or colors and odors are detected

8. Aqueon Aquarium Tap Water Conditioner, 4-Ounce

By Aqueon Store

Aqueon Aquarium Tap Water Conditioner, 4-Ounce

Instantly conditions tap water making it safe for fish and plants
Developed specially for smaller bowls and aquariums
Neutralizes harmful chlorine, chloramines, ammonia and heavy metals
Use when preparing tap water for newer bowls
Made in the USA

9. API AQUARIUM SALT Freshwater Aquarium Salt 65-Ounce Box

By API Store

API AQUARIUM SALT Freshwater Aquarium Salt 65-Ounce Box

Contains one (1) API AQUARIUM SALT Freshwater Aquarium Salt 65-Ounce Box
Promotes fish health and disease recovery with increased electrolytes
Improves respiration for fish in freshwater aquariums
Made from evaporated sea water for all-natural results
Use when changing water, when setting up a new freshwater aquarium and when treating fish disease

10. Zilla Water Conditioner 8 oz

By Zilla Store

Zilla Water Conditioner 8 oz

Makes tap water safe for aquatic animals such as turtles, frogs and newts
Neutralizes chlorine, chloramines and heavy metals
Bottle cap doubles as a measuring guide which assures accurate treatment
Quick and easy to use
Ideal for: aquatic and semi-aquatic reptiles and amphibians

11. Aqueon Water Renewals Betta 4 Fluid Ounces

By Aqueon Store

Aqueon Water Renewals Betta 4 Fluid Ounces

Renews biologically essential trace minerals
Promotes health, color and vitality in fish
Restores water back to its natural state
Specially formulated for bettas
Convenient dosage cap is included - Add 5mL (1 tsp) per 1/2 gallon of water

12. Tetra 16172 AquaSafe Fish Tank Water Conditioner, 8.45 fl oz

By Tetra Store

Tetra 16172 AquaSafe Fish Tank Water Conditioner, 8.45 fl oz

CONDITIONS aquarium WATER: Essential care formula protects fish and reduces stress.
MAKES TAP WATER SAFE: Monthly treatment with partial water changes removes harmful chlorine.
INSTANT RESULTS: Works quickly to make tap water safe for fish.
ESSENTIAL WATER CARE: Use when setting up a new aquarium, with monthly partial water changes or evaporation replacement.
USAGE: Add 2 teaspoons for every 10 gallons of aquarium water.
NEW LOOK: Packaging may vary
Age range description: All Life Stages

13. API TAP WATER CONDITIONER Aquarium Water Conditioner 1.25-Ounce Bottle

By API Store

API TAP WATER CONDITIONER Aquarium Water Conditioner 1.25-Ounce Bottle

100% dedicated to performance and clean environment
Product tested and safe for salt or fresh water setups
Cleaner ponds and tanks equal longer fish and aquatic life

14. SPLENDID BETTA COMPLETE WATER CONDITIONER Water Conditioner 1.25-Ounce Bottle

By API Store

SPLENDID BETTA COMPLETE WATER CONDITIONER Water Conditioner 1.25-Ounce Bottle

Contains one (1) SPLENDID BETTA COMPLETE WATER CONDITIONER Water Conditioner 1.25-Ounce Bottle
Neutralizes chlorine, chloramines, ammonia and other chemicals to make tap water safe for betta fish
Prevents tap water chemicals from causing gill destruction, tissue irritation and fish death
Formulated with aloe vera to and green tea extract to reduce inflammation and help heal fish
Use when starting a new Betta bowl or aquarium and when changing water

15. API WATER SOFTENER PILLOW Aquarium Canister Filter Filtration Pouch 1-Count Bag, size 5 (49A)

By API Store

API WATER SOFTENER PILLOW Aquarium Canister Filter Filtration Pouch 1-Count Bag, size 5 (49A)

Contains one (1) API WATER SOFTENER PILLOW Aquarium Canister Filter Filtration Pouch 1-Count Bag
Softens hard water
Reduces general hardness by lowering calcium and magnesium
Easy-to-use pre-dosed pouch fits most canister filters on the market for freshwater aquariums
Use when starting or maintaining an aquarium when testing indicates hardness above the desired level, can be reused after it is recharged

16. API NITRA-ZORB SIZE 6 Aquarium Canister Filter Filtration Pouch 1-Count Bag, Model:110A

By API Store

API NITRA-ZORB SIZE 6 Aquarium Canister Filter Filtration Pouch 1-Count Bag, Model:110A

Contains one (1) API NITRA-ZORB SIZE 6 Aquarium Canister Filter Filtration Pouch 1-Count Bag
Removes toxins that can be harmful to fish
Removes ammonia, nitrite, and nitrate from aquarium water.
Easy-to-use pre-dosed pouch fits most canister filters on the market, for use in freshwater aquariums
Use when starting a new aquarium and when ammonia or nitrite is detected, replace every 2 months.

17. API ACCU-CLEAR Freshwater Aquarium Water Clarifier 4-Ounce Bottle

By API Store

API ACCU-CLEAR Freshwater Aquarium Water Clarifier 4-Ounce Bottle

Contains one (1) API ACCU-CLEAR Freshwater Aquarium Water Clarifier 4-Ounce Bottle
Clears cloudy aquarium water
Clumps floating particles into large clusters that can be easily removed by an aquarium filter
Works fast and maximizes filter efficiency
Use weekly and when cloudy water is observed in freshwater aquariums only
Instructions: Add 1 ml. per 10 gallons of aquarium water. Water will clear within several hours. If second dose is necessary, wait 24 hours.

18. TetraFauna AquaSafe Water Conditioner for Reptiles & Amphibians 3.38oz (75077009)

By Tetra Store

TetraFauna AquaSafe Water Conditioner for Reptiles & Amphibians 3.38oz (75077009)

CONDITIONS AQUA-TERRARIUM WATER: Essential care formula for pet reptiles and fragile amphibians.
MAKES TAP WATER SAFE: Instantly neutralizes harmful chlorine, chloramines, ammonia and heavy metals.
INSTANT RESULTS: Liquid formula works in seconds to condition aqua-terrarium water.
PROTECTS SKIN: Contains colloids to protect the skin of turtles and other species.
USAGE: Add 1 tsp for every 10 gallons of water.

19. API TURTLE WATER CONDITIONER Water Conditioner 8-Ounce Bottle

By API Store

API TURTLE WATER CONDITIONER Water Conditioner 8-Ounce Bottle

Contains one (1) API TURTLE WATER CONDITIONER Water Conditioner 8-Ounce Bottle
Neutralizes chlorine, chloramines and other chemicals and heavy metals to make tap water safe for aquatic turtles, newts and aquatic frogs
This turtle water conditioner prevents tap water chemicals from causing tissue irritation
Treats up to 474 U.S Gallons (1 ml per 2 US Gallons)
Use when setting up an aquarium/vivarium, or when adding or changing water

20. Fluval Water Conditioner for Aquarium, 8.4-Ounce

By Fluval Store

Fluval Water Conditioner for Aquarium, 8.4-Ounce

Complete tap water conditioner
Improves aquatic environments for tropical fish
Reduces Stress for Fish
Coats and protects scales and fins
Size: 8.4 oz.

21. MICROBE-LIFT Fish Protector Water Conditioner, Aquatic Slime Coat and Fish Protector, Makes Tap Water Safe, Forms Multiple Layers of Protection, 16oz

By MICROBE-LIFT Store

MICROBE-LIFT Fish Protector Water Conditioner, Aquatic Slime Coat and Fish Protector, Makes Tap Water Safe, Forms Multiple Layers of Protection, 16oz

REDUCES STRESS AND AIDS IN FISH TRANSPORT: The MICROBE-LIFT aquatic stress relief was specially formulated to calm fish and reduce stress caused by water changes and during transport by using the healing power of aloe vera
SLIME COAT CONDITIONER RESTORER: This aquatic water conditioner will add protective slime coat conditioners which will form multiple layers of protection on your fishes skin. These slime coat conditioners will help with bruises, missing scales, and damaged skin caused by fish fighting, transport, or normal everyday wear and tear.
REMOVES CHLORINE AND BREAKS DOWN CHLORAMINE: Our aquatic stress reducer will remove chlorine and breaks down chloramines while neutralizing heavy metals, such as copper, zinc, and iron which may be fatal to fish, as well as, invertebrates.
INTENDED USE: This product is intended for use with all ornamental pond and aquarium fishes. Do not use with permanganate-based treatments.

22. Sera Super Peat 500 Grams

By Brand: Sera

Sera Super Peat 500 Grams

Sera Super Peat stabilizes the pH value in the slightly acidic range.

23. GloFish Water Conditioner 4 Ounces, Makes Tap Water Safe For Aquariums

By GloFish Store

GloFish Water Conditioner 4 Ounces, Makes Tap Water Safe For Aquariums

WATER CONDITIONER: Makes tap water safe for GloFish fluorescent fish.
PROMOTES FISH HEALTH: Neutralizes or removes harmful chlorine, chloramines and heavy metals.
MAKES TAP WATER SAFE: Use when setting up a new aquarium, with monthly partial water changes or evaporation replacement.
FOR BEST RESULTS: Use in conjunction with GloFish Color Booster.
EXPERIENCE THE GLO: GloFish fluorescent fish and products create a complete underwater fluorescent experience.

24. Aqueon Betta Bowl Plus Water Conditioner & Dechlorinator (2 Pack)

By Aqueon Store

Aqueon Betta Bowl Plus Water Conditioner & Dechlorinator (2 Pack)

Instantly makes tap water safe for fish and plants
Developed specially for smaller bowls and aquariums
Ideal for use with bettas
Contains trace elements to promote proper health, Color and natural slime coat protection
Made in the USA

25. Aquatic Experts Aquarium Polishing Filter Pad, Aquarium Filter Pad, Aquarium Filter Floss for Fish Tank Filters, Water Polishing Pad for Aquarium Filters (100 Micron, 24" x 36" - 1 Pack)

By Aquatic Experts Store

Aquatic Experts Aquarium Polishing Filter Pad, Aquarium Filter Pad, Aquarium Filter Floss for Fish Tank Filters, Water Polishing Pad for Aquarium Filters (100 Micron, 24

SPARKLING CLEAR WATER: Our 100 micron filter pad has a dense fiber network to effectively trap fine to extra fine particles floating in your aquarium water to produce sparkling clear water.
CLEARS TANK WATER FAST: Fine particles pass through most aquarium filter media. Our aquarium polishing filter pad quickly improves water clarity by trapping fine particles that pass through prefilter media. You will see visibly clearer water and your tank will be cleaner.
EASILY CUT TO FIT: This bulk felt filter pad can easily be cut to fit your filter. For best results place a prefilter media pad before the aquarium polishing filter pad. Our aquarium filter floss pad is ideal for freshwater aquariums, planted tanks, turtle tanks, reef tanks or saltwater aquariums.
UNIVERSAL AQUARIUM FILTER MEDIA: This polishing pad is constructed with woven polyester fibers making it strong and durable enough to even be cleaned in a washing machine. The pad’s consistent, reliable design gives superior filtration. Perfect pad for wet/dry filters, sumps, canister filters, HOB filters and much more.
TIPS: The larger the micron number the bigger the pore size. It is best to start with a larger micron rated pad then, as water clarity increases, use a lower number micron rated pad. This ensures your polishing pad will last longer before cleaning or replacing. These filter polishing pads are the perfect aquarium water clarifier.

26. SunGrow 50 pcs Catappa Indian Almond Leaves for Betta Fish Tank Aquarium, 2” Water Conditioner Leaves, Leaf Also Suitable for Shrimp, Goldfish, Guppy and Frogs

By SunGrow Store

SunGrow 50 pcs Catappa Indian Almond Leaves for Betta Fish Tank Aquarium, 2” Water Conditioner Leaves, Leaf Also Suitable for Shrimp, Goldfish, Guppy and Frogs

Give a peaceful home to your betta --- When fish are given a homely ambiance, they tend to grow stronger. By creating ideal water conditions, we assure that they can prosper. The Indian Almond leaves are considered to have beneficial properties and increase fish appetite.
Have a breeding pet? Add catappa --- The tropical fishes create bubble nests using a floating leaf to anchor their bubbles. So, if your tank has a breeding tetra, guppy, platies, molly, cichlid or shrimps, just add these leaves and see them anchoring their eggs over IAL. That is a sight to behold.
Benefits other fish and snails too --- The tea water has many advantages for fishes like tetra, discus, and goldfish. It is good for rasboras and many dwarf cichlids too. Apart from that, snail owners can benefit from the magical leaves. Giving your fish this ambience calms them down. It imparts color to them and makes their scales firmer.
Smaller leaves, easier portion control --- Each packet contains 50 leaves measuring around 2-inches high which is a great value for money. Smaller Catappa leaves make for easier portion control and a good way to slowly introduce your pet to a new surrounding especially for smaller fishes in smaller tanks.
Adds beauty to nano tanks, small bowls and jars --- The Catappa leaves from SunGrow are unprocessed so you know what goes into your tank. They look pretty in a nano tank and add aesthetic beauty to your planted tank. You may even add these in individual betta jars or bowls.

27. Tetra EasyBalance 8.45 Ounces, Weekly Freshwater Aquarium Water Conditioner, (Model: 16177)

By Tetra Store

Tetra EasyBalance 8.45 Ounces, Weekly Freshwater Aquarium Water Conditioner, (Model: 16177)

MAINTAINS HEALTHY AQUARIUM WATER: Tetra EasyBalance Plus provides a safety net between water changes.
BALANCES: Regulates pH and alkalinity (KH) at recommended levels.
REMOVES WASTE: Reduces nitrates and phosphates due to waste products in water.
ADDS NUTRIENTS: Adds the vitamins, minerals and electrolytes needed for vibrant, active fish.
DOSAGE: Use weekly to maintain healthy aquarium conditions.

28. Aqueon (3 Pack) Water Renewal Betta, 4-Ounce

By Aqueon Store

Aqueon (3 Pack) Water Renewal Betta, 4-Ounce

(3 Pack) Aqueon Water Renewal Betta, 4-Ounce
Replaces essential trace minerals that are used by fish
Promotes health, color and vitality in fish
Specially formulated for tropical fish
Use every week to maintain healthy trace mineral levels

29. EcoBio-Block Stone Natural Volcanic Water Clarifier and Odor Remover Rock for Aquariums, Nano, 2-Pack

By Brand: EcoBio-Block

EcoBio-Block Stone Natural Volcanic Water Clarifier and Odor Remover Rock for Aquariums, Nano, 2-Pack

Unique beneficial bacteria in volcanic rock multiply to create a healthy ecosystem for clear, clean water without odors.
Speeds up nitrogen cycle, with pure bacteria in spores, germinating in early, middle and late stages, only in the presence of organic waste.
Reduces need for frequent maintenance by continually replenishing beneficial bacteria for up to one year.
Ideal for Betta homes and all nano freshwater or marine aquariums. Safe for all fish, reptiles, amphibians and other aquatic life.
Makes aquarium care simple in fresh or salt water. Nano size treats tanks from 1.5 to 3.0 gallons

30. Aquatic Experts KloudAway Freshwater Aquarium Water Clarifier - Clears Cloudy Water, Water Clarifier for Fish Tank, Made in USA (1 Pack)

By Aquatic Experts Store

Aquatic Experts KloudAway Freshwater Aquarium Water Clarifier - Clears Cloudy Water, Water Clarifier for Fish Tank, Made in USA (1 Pack)

FAST- ACTING - KloudAway quickly clears cloudy or hazy aquarium water by CLUMPING FLOATING PARTICLES together making them large enough to be trapped by your aquariums' mechanical filter. To remove these particles from the water your aquarium must have a mechanical filter.
CUTTING EDGE FORMULA - Our advanced fish tank water clarifier is targeting unsightly particles in water such as uneaten fish food, dust and other debris to produce crystal clear water. KLOUDAWAY DOES NOT WORK ON "GREEN WATER" as algae continues to multiply.
SAFE AND EFFECTIVE - Our cloudy water treatment is SAFE FOR all types of FRESHWATER FISH, TURTLES, PLANTS, SHRIMP and OTHER INVERTEBRATES and has no effect on the beneficial bacteria in your aquarium's biological filtration.
REMARKABLE RESULTS! Use our aquarium clarifier to maintain sparkling clear water in your freshwater aquarium. For exact details of how to use KloudAway, causes of cloudy water and much more, WATCH OUR VIDEO "Clear Aquarium Water Fast"
Water testing is recommended. Cloudy water is often caused by New Tank Syndrome, which can cause dangerously high levels of ammonia and nitrite. Protect your fish from ammonia spikes with TankFirst Water Conditioner!

31. Aqueon Pure Bacteria Supplement - 4 Pack (10 Gallon)

By Aqueon Store

Aqueon Pure Bacteria Supplement - 4 Pack (10 Gallon)

Add one PURE per 10 gallons of tank water each week.
Add two PURE per 10 gallons of tank water when starting a new aquarium
Easy to dose gel ball
Live beneficial bacteria that breaks down harmful waste
Cannot be overdosed
Helps maintain clear water
Safe for all freshwater aquariums

32. Eco-Aquarium Water Purifier Cube Filter Activated Carbon Ultra Strong Filtration and Absorption for Aquarium,Ponds,Fish Tank, Water Tank, Water Purification

By ELEDUCTMON Store

Eco-Aquarium Water Purifier Cube Filter Activated Carbon Ultra Strong Filtration and Absorption for Aquarium,Ponds,Fish Tank, Water Tank, Water Purification

Because this item is a fragile product, if the product is damaged before receiving the goods, please don‘t use it, and let us know immediately for free replacement. Please do not leave a bad rating directly, we are sincerely doing good service, thank you very much.
An unclean aquarium is harmful to the life of your pet fish.say goodbye to the trouble of constantly changing cloudy aquarium water.
A fish tank water purifier that filters dirt, cloudiness, and odor, Ultra-Absorption Activated Carbon Block
Solid composition, no powder, no impurities, does not cause black water.
Your beautiful water companions make you feel calm and relaxed after a long day at work. Thus, they deserve all the cleanliness they can get in the tank they live in. This Eco-Aquarium Water Purifier Cube is all you’ll ever need.

33. IPW Industries Inc. Compatible 5 Pound Box Replacement Filter Tank Gravel

By IPW Industries Inc Store

IPW Industries Inc. Compatible 5 Pound Box Replacement Filter Tank Gravel

SUPERIOR QUALITY: This includes 5 pounds of garnet gravel that creates a perfect under bed support base for any standard tanks. Gravel creates ideal backwash dispersion to increase the effectiveness of your water filtration, softening, or conditioning.
PERFECT FILTER BEDDING: IPW Industries Inc. Garnet Gravel is perfect for any backwashing system. It's great for Water Softeners, Water Conditioners, Carbon Filter Tanks, and Mixed Media Filtration Systems. Use it as a replacement for your old gravel or to make new filters.
BULK GRAVEL: This 5 pound bag is enough gravel for any filter cartridge. Filter tanks may require multiple bags. Let us know if you have questions about your tank.
SIMPLE TO USE: We suggest giving your garnet gravel a quick wash before using it for under bed support. Just dump the gravel into any bucket or bin, fill with water, and agitate the gravel. Now, you're ready to go!
IPW INDUSTRIES INC.: We're a US company dedicated to water filtration. Clean water is a must for drinking and countless other uses. We provide all the tools you need to keep your water clean with high quality affordable supplies and filters.

34. Aqueon Pure Betta Beads, Blue

By Aqueon Store

Aqueon Pure Betta Beads, Blue

Provides live beneficial bacteria and enzymes to maintain clear water
Great environmental enrichment activity for Bettas! Watch as they play in and out of the soft gravel like a fun ball pit
Soft biodegradable gravel encourages the natural foraging behavior of bettas for mental stimulation
Aids in maintaining a healthy aquarium by breaking down organic sludge for a healthy balanced environment
For use in unfiltered betta habitats. Add 1 pouch of betta beads per 1 gallon of water
For best results replace betta beads once a month (add 1 pouch per 1 gallon of water) and perform a 25% water change every 2 weeks
If betta beads shrink prematurely, this is a quick indicator that the water hardness is not optimal for your betta - we recommend changing the water with soft (deionized or specially filtered) betta waters
Packaging May Vary.

35. 2 Pack Aquarium Cube Filter, Activated Carbon Aquarium ​for Ponds,Fish Tank,Stock Tank for Horses,4X4X2 Inch,eco Aquarium Water Purifier Cube.

By Brand: yanhe

2 Pack Aquarium Cube Filter, Activated Carbon Aquarium ​for Ponds,Fish Tank,Stock Tank for Horses,4X4X2 Inch,eco Aquarium Water Purifier Cube.

【Size】: water purification cube,The volume of one piece is 4*4*2in 2pcs.
【Wide Application】: Our activated carbon aquarium can use in waste gas treatment, air purification, exhaust gas filtration, water purification, formaldehyde removal. Simply put it in the aquarium cube, Fish Tank, Water Tank and Tank for horses
【Safe】: The eco aquarium water purifier cube, is specially made to provide clean water ,Fish Tank Filtration and Large Animal Drinking Water Filtration.
【 caution】: Simply put it in the tank. Recommended placement is near the water inlet of the fish tank pump,Do not position the grid filter downward, otherwise, it will clog up and affect the filtration effect. For best results, rinse or replace the filter every 3 months.

36. GLOGLOW Aquarium Water Softening Resin, 500ml Gh Reducing Agent Soft Water Pillow Underwater Ion Exchange Filter Fish Tank Water Softening Device

By GLOGLOW Store

GLOGLOW Aquarium Water Softening Resin, 500ml Gh Reducing Agent Soft Water Pillow Underwater Ion Exchange Filter Fish Tank Water Softening Device

Wide Applicability---It is currently known to be applicable to most freshwater fish, including cichlid, parrot fish and betta.
Special Materials---This product uses special resins that are professionally used for water softening, which can effectively optimize water quality and achieve water softening through ion exchange technology.
Wide Applicability---It is currently known to be applicable to most freshwater fish, including cichlid, parrot fish and betta.
Fine Mesh Filter---Using mesh-like fine holes can filter most of the impurities in the water, so as to better improve the water quality.
Reduce The Hardness---Through scientific ion exchange technology, reduce the calcium and content in the water to reduce the general hardness, so as to realize the softening of the water.

37. Weipro Ozonizer ET200 200 mg Suitable for Fresh Water and sea Water,can Work with ORP Controller

By Weipro Store

Weipro Ozonizer ET200 200 mg Suitable for Fresh Water and sea Water,can Work with ORP Controller

✔ ET-200 200mg/h 6w
✔ Providing clear and healthy water for your fish, reduction of microbial stress on the water.
✔ Significantly reduces the nitrite and ammonia stress.Increases the oxidation reduction potential and the oxygen content.
✔ Strongly reduces nitrate, ammonia and pollutants in the water
✔ Enhances the content of oxygen in the oxidation reduction Protential in the water.

38. 500ML Aquarium Water Softener Soft Water Resin Aquarium Water Softener Pillow Exchange Filter Reducer

By Pssopp Store

500ML Aquarium Water Softener Soft Water Resin Aquarium Water Softener Pillow Exchange Filter Reducer

【Function】Water softening resin is a special resin specially used to soften hard water.The hardness of water is less than 50 mg/L.
【Adjust The Water Quality】The soft water resin can effectively soften and adjust the water quality, so that the water in the aquarium can meet better growth requirements.
【Multi-function】It has the two-in-one functions of filtration and water purification, stabilizes the water environment.
【With Fine Mesh Filter Screen】Equipped with a fine mesh filter screen, put the water softening resin together with the filter screen in the filter box to achieve a better water softening effect.
【Durable Materials】High quality resin filter material, suitable for a wide range of environments, can be used in seawater and water.

39. Feelers Green PVC Tubing 1/2"ID x 3/4"OD Vinyl Flexible Hose Water Fish Tank Aquarium Tubing Low Pressure Tube BPA Free, 3.28FT

By Brand: Feelers

Feelers Green PVC Tubing 1/2

Size: 1/2"(13mm) ID, 3/4"(18.6mm) OD, 3.28 feet (1 meter) length, 2.8mm wall thickness.
Material: Made of high quality PVC material, high strength, suitable for low pressure working environment.
Feature: PVC Tubing resistant to abrasions and corrosion. Twists and curves won’t cause the tubing to collapse. The smooth inner surface allows for easy flow and easy cleaning.
Durable: The walls of pvc tubing are thick enough to prevent kinks and can withstand rough handling and multiple usage while maintaining dimensional stability. In addition, it can be tailored at will.
Application: Widely used in aquarium, hydroponics system, harness, gardening irrigation system, water garden, solar water transport equipment, etc. It is used to transport liquid, gas and some light solids.

40. Water Softener Pillow, Aquarium Water Softener 500ML for Fish Tank for Aquarium

By GLOGLOW Store

Water Softener Pillow, Aquarium Water Softener 500ML for Fish Tank for Aquarium

Equipped with a fine mesh filter screen, put the water softening resin together with the filter screen in the filter box to achieve a better water softening effect.
It has the three-in- functions of filtration, enhancement and water purification, stabilizes the water environment, and quickly cultivates .
The soft water resin can effectively soften and adjust the water quality, so that the water in the aquarium can meet better growth requirements.
High-quality resin filter material, suitable for a wide range of environments, can be used in seawater and water.
Water softening resin is a special resin specially used to soften hard water. Through ion exchange technology, the hardness of water is less than 50 mg/L.

author img Lucas Carter

Our Editor-in-Chief, Lucas Carter, brings over twenty years of hands-on experience in the world of aquaristics. He is not just an expert in aquarium keeping but also a passionate advocate for the hobby. Lucas's extensive knowledge of aquarium accessories, understanding of different aquatic ecosystems, and a keen eye for product quality set the standard for our reviews. His personal commitment is to guide both novice and experienced aquarium enthusiasts through the vast ocean of products, helping them create the ideal environment for their aquatic friends.