Water Conditioners For Fish: Salt & Freshwater (Free Shipping) | Chewy

Shop Chewy for low prices on the best water conditioners for fish tanks and aquariums. Chewy has a wide selection of products to help keep an ideal water condition for both freshwater and saltwater fish tanks. *FREE* shipping on orders $49+ and the BEST customer service!

Fish water conditioners are easy to use and provide a quick solution for maintaining ideal aquarium water and a stress-free environment for your fish. A good [fish tank](https://www.chewy.com/b/aquariums-starter-kits-1735) water conditioner gives you an immediate solution to cloudy or murky water conditions that can cause all sorts of stressors for your fish, including low visibility. When you use tap water to fill up your tank after water changes, it can cause chlorine, chloramines and traces of heavy metals to taint the water. The best fish water conditioners will remove these elements from the aquarium to keep your fish happy and healthy.  [API Stress Coat with Pump Aquarium Water Conditioner](https://www.chewy.com/api-stress-coat-pump-aquarium-water/dp/122084) is a helpful conditioner for reducing fish stress and healing damaged tissue. The chlorine and chloramines in tap water can damage fish tissue and cause your fish to have breathing difficulties. This potent fish tank water conditioner contains soothing aloe vera that is scientifically proven to reduce fish stress. It's also great to use when starting a new aquarium, adding or changing water, and when adding new fish. For maintaining the overall health and condition of your tank, try [Tetra EasyBalance Plus Freshwater Aquarium Water Conditioner](https://www.chewy.com/tetra-easybalance-plus-freshwater/dp/125661). Fish waste, uneaten food and other organic matter can cause ammonia, nitrates and other toxins to develop in the water, which creates an unhealthy environment that will lead to frequent water changes. This aquarium water conditioner regulates the pH levels and alkalinity to reduce nitrates and phosphates. It breaks down organic pollutants, plus it contains [vitamins and minerals](https://www.chewy.com/b/vitamins-minerals-1572) for maximum aquarium health. [Seachem Prime Marine and Freshwater Conditioner](https://www.chewy.com/seachem-prime-marine-freshwater/dp/131189) removes chlorine and chloramine from the tank and changes ammonia into a safe, non-toxic form that can be removed by the tank's biofilter. It also strips out any heavy metals from tap water. This fish water conditioner can be used when you start a tank or when adding or replacing water. The [Fluval Cycle Biological Booster Water Conditioner](https://www.chewy.com/fluval-cycle-biological-booster/dp/124243) contains pure, safe beneficial bacterial colonies that quickly consume toxic ammonia and nitrites in the water. It's safe for [aquarium plants](https://www.chewy.com/b/artificial-plants-2249), animals and humans.  Whether you have to change the water in your tank or get rid of the murk that causes fish stress, you'll find the best fish water conditioners right here at Chewy.

Related Categories: [Fish Algaecides and Water Clarity](https://www.chewy.com/b/algaecides-water-clarity-907), [Fish pH Treatments](https://www.chewy.com/b/ph-treatments-908), [Aquarium Plant Care](https://www.chewy.com/b/plant-care-909), [Fish Salt and Minerals](https://www.chewy.com/b/salt-minerals-910), [Fish Water Test Kits](https://www.chewy.com/b/water-test-kits-912), [Fish Water Care](https://www.chewy.com/b/water-care-906)

You do need water conditioner for your aquarium in order to remove harmful chemicals from the tap water you use to fill it. Chlorine and chloramine found in tap water can be toxic to fish, and tap water may contain chemicals and trace elements like metals that can harm your fish, as well. Water conditioners help neutralize these dangers and create a safe environment for your fish.

Do I need water conditioner for my aquarium?

What water conditioner does for fish tanks is make the water safer for fish. Fish tank water conditioners are made to neutralize harmful chemicals like chlorine and metals that are present in most tap water.

What does water conditioner do for fish tanks?

You should add water conditioner to your aquarium when you first fill it up and at least 24 hours before you add your fish. You should also add water conditioner whenever you add new water to the tank as part of cleaning or regular maintenance. Closely follow the directions on the water conditioner you are using or consult a professional aquarist for guidance.

When should I add water conditioner to my aquarium?

The best aquarium water conditioners are complete conditioners made to neutralize chlorine, ammonia and metals and buffer the pH for a healthy aquatic environment. A good water conditioner will also protect your fish's slime coat. Be sure to choose a water conditioner that is safe and appropriate for the type of tank and fish you have.

What are the best aquarium water conditioners?

Fish water conditioners are easy to use and provide a quick solution for maintaining ideal aquarium water and a stress-free environment for your fish. A good fish tank water conditioner gives you an immediate solution to cloudy or murky water conditions that can cause all sorts of stressors for your fish, including low visibility. When you use tap water to fill up your tank after water changes, it can cause chlorine, chloramines and traces of heavy metals to taint the water. The best fish water conditioners will remove these elements from the aquarium to keep your fish happy and healthy.  
API Stress Coat with Pump Aquarium Water Conditioner is a helpful conditioner for reducing fish stress and healing damaged tissue. The chlorine and chloramines in tap water can damage fish tissue and cause your fish to have breathing difficulties. This potent fish tank water conditioner contains soothing aloe vera that is scientifically proven to reduce fish stress. It’s also great to use when starting a new aquarium, adding or changing water, and when adding new fish. For maintaining the overall health and condition of your tank, try Tetra EasyBalance Plus Freshwater Aquarium Water Conditioner. Fish waste, uneaten food and other organic matter can cause ammonia, nitrates and other toxins to develop in the water, which creates an unhealthy environment that will lead to frequent water changes. This aquarium water conditioner regulates the pH levels and alkalinity to reduce nitrates and phosphates. It breaks down organic pollutants, plus it contains vitamins and minerals for maximum aquarium health. Seachem Prime Marine and Freshwater Conditioner removes chlorine and chloramine from the tank and changes ammonia into a safe, non-toxic form that can be removed by the tank’s biofilter. It also strips out any heavy metals from tap water. This fish water conditioner can be used when you start a tank or when adding or replacing water. The Fluval Cycle Biological Booster Water Conditioner contains pure, safe beneficial bacterial colonies that quickly consume toxic ammonia and nitrites in the water. It’s safe for plants, animals and humans.
Whether you have to change the water in your tank or get rid of the murk that causes fish stress, you’ll find the best fish water conditioners right here at Chewy.

Water Conditioners

True

Autoship & Save Eligible

Activ-Betta

Aquascape

Aqueon

biOrb

Coralife

Dr. Tim's Aquatics

Fluval

Fritz

Fritz Aquatics

GloFish

Hagen

Hartz

Instant Ocean

Kent

Kordon

Lifegard Aquatics

Marina

Microbe-Lift

Nature's Ocean

Pisces USA

Python

Reeflowers

Ruby Reef

SunGrow

Tetra

Wardley

Zoo Med

Brand

Saltwater

Freshwater

Pond

Aquarium Type

Marine Fish

Tropical Freshwater

Marine Invertebrate

Goldfish

Koi & Pond Fish

Betta

Cichlid

Bottom Feeder

Discus

Fish Type

[0,9.99]

[10,19.99]

[20,29.99]

[30,39.99]

[40,49.99]

[50,*]

Price

[4,5]

[3,5]

[2,5]

[1,5]

Customer Rating

API Pond Accu-Clear Clarifier + Pond Algaefix Algae Control Solution

API Pond Accu-Clear Clarifier, 1-gal bottle & API Pond Algaefix Algae Control Solution, 1-gal bottle

API Pond Algaefix Algae Control Solution + Pond-Zyme Sludge Destroyer Pond Sludge Remover

API Pond Algaefix Algae Control Solution, 1-gal bottle & API Pond-Zyme Sludge Destroyer Pond Sludge Remover, 16-oz bottle

Dr. Tim's Aquatics Reef One & Only Marine Aquarium Cleaner, 64-oz bottle

Tetra Lifeguard All-in-One Bacterial & Fungus Treatment + AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner

API Pond Melafix for Bacterial Infections in Fish + Pond Algaefix Algae Control Solution

Lifegard Aquatics Live Nitrifying Pond Bacteria + AquaMesh Fish Pond Filter Media

Activ-Betta Bio-Activ Live Aqueous Solution Betta Water + API Bettafix Antibacterial & Antifungal Betta Fish Infection Remedy

Microbe-Lift Pond Sinking Pellets Koi & Goldfish Food + Spring & Summer Pond Water Cleaner

Dr. Tim's Aquatics NP-Active Pearls Aquarium Cleaner, 3,785-mL bottle

Kent Marine Aquarium Starter Kit, 3 count

Fish Tank Water Conditioners

Brand

Aquarium Type

Fish Type

Price

Customer Rating