API Stress Coat with Pump Aquarium Water Conditioner, 16-oz bottle
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Reduce fish stress and help to heal damaged tissue with API Stress Coat with Pump Aquarium Water Conditioner. Chlorine and chloramines in tap water can damage to fish tissue and breathing difficulties. This water conditioner works to reduce fish stress up to 40% by working to remove harmful chemicals and make tap water safe. It contains soothing aloe vera, which is scientifically tested to reduce fish stress, helps to heal damaged tissue and promotes regeneration of tissue. It forms a synthetic slime coating that replaces the natural secretion of slime to help reduce susceptibility to disease. Use when starting a new aquarium, adding or changing water and adding fish.
Key Benefits- Works to make tap water safe by helping to remove chlorine, chloramines, and detoxify heavy metals.
- May help reduce fish stress by up to 40% by helping to remove harmful chemicals and make tap water safe.
- Contains soothing aloe vera, which is scientifically tested to help reduce fish stress, heal damaged tissue and promote regeneration of tissue.
- Forms a synthetic slime coating that replaces the natural secretion of slime to help reduce susceptibility to disease.
- Use when starting a new aquarium, adding or changing water and adding fish.
Special Note
16-oz bottle treats up to 940 gallons.
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Item Number94486
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Aquarium TypeFreshwater, Saltwater
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Fish TypeTropical Freshwater, Marine Fish, Betta, Goldfish, Marine Invertebrate, Bottom Feeder, Cichlid
Use the API Dosing Cap on the Bottle. Add 5ml per 10 U.S. gallons of aquarium water. Double the dose to replace slime coat and to repair damaged skin and fins.
What is API STRESS COAT?
API STRESS COAT is a tap water conditioner that eliminates harmful chemicals, and uses the added benefit of soothing Aloe Vera to reduce fish stress and promote healing of wounds and damaged tissue.
Is API STRESS COAT a dechlorinator?
Yes, API STRESS COAT removes chlorine and neutralizes chloramines and heavy metals found in tap water.
Is API STRESS COAT suitable for both freshwater and marine (saltwater) aquariums?
Yes, API STRESS COAT is safe for saltwater aquariums, but is not recommended for use if you have a protein skimmer.
Is API STRESS COAT safe for all fish, invertebrates, and aquarium plants?
Yes, API STRESS COAT is safe for all fish, invertebrates, and aquarium plants.
Does API STRESS COAT affect the biological filter or the pH of aquarium water?
No, API STRESS COAT does not affect the biological filter (natural aquarium cycle) or your water’s pH levels.
Can I use API STRESS COAT with other API products?
Yes, you can use API STRESS COAT with all other API products.
I accidentally overdosed my fish with API STRESS COAT. Should I worry?
No, API STRESS COAT will not harm your fish or plants.
How much API STRESS COAT should I use?
If you are using API STRESS COAT as a dechlorinator to make tap water safe, you should dose enough for the amount of new water you are adding to the aquarium. If you are using API STRESS COAT to help your fish recover from injury or a disease, dose enough for the amount of water in the whole aquarium.
Is API MARINE STRESS COAT for use in marine aquariums only?
Yes, API MARINE STRESS COAT is solely for use in marine (saltwater) aquariums. Use API STRESS COAT for regular freshwater tanks.
How often can I dose my tank with API MARINE STRESS COAT?
Use API MARINE STRESS COAT when your fish seem stressed, or after you’ve performed a 25% water change to dechlorinate water and soothe your fish. You can use more frequently if you wish.
Customer Reviews

100% Recommend
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5 Reviews
5 Reviews
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Good product and terrific customer service
By Albert on Dec 10, 2020
This product works exactly as advertised for our fish, both as a water conditioner and to help damaged fish. Equally important, Chewy's customer service was great. I was initially shipped the wrong item by mistake. I used the chat feature to speak with a customer service representative who immediately shipped out the correct item and asked me to donate the incorrect item. Nobody's perfect and Chewy's handled their mistake very well.
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API products are great.
By Bruno on May 31, 2019
Love the pump option. Over possible spilling with a cap. Thanks for offering this.
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Perfect for my Betta
By Mean on Mar 27, 2019
It cleans my 5 gallon regular tap water tank and conditions it before I put my Betta fish back in the tank. I highly recommend it
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Amazing Product!
By JCC84 on May 1, 2017
I have 4 separate aquariums and use this as a water conditioner for all tanks. I also add to the tanks when a fish is stressed/sick and when I add new fish, plants and/or decorations. Love that it comes in a pump option and that it's cheaper on Chewy.com than anywhere else. Lifetime buyer!
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API Stress Coat
By K9LDY on Apr 28, 2017
GOOD STUFF ! IT IS THE BEST, IT IS WHAT YOU WANT TO USE to make your fish happy !!!