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API TAP WATER CONDITIONER Aquarium Water Conditioner, 64-Ounce,White

  • Based on 24,057 reviews
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Availability: Only 5 left in stock, order soon!
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Arrives Sunday, Sep 13
Order within 20 hours and 32 minutes
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Size: 64-Ounce


Color: White


Features

  • Contains one (1) API TAP WATER CONDITIONER Aquarium Water Conditioner 64-Ounce Bottle
  • Neutralizes chlorine, chloramines and other chemicals to make tap water safe for fish
  • Prevents tap water chemicals from causing gill destruction, tissue irritation and fish death
  • Super strength, high concentration formula
  • Use when adding or changing water and when adding new fish to freshwater and saltwater aquariums

Description

Good water quality is the key to a healthy, beautiful aquarium. Tap water contains chemicals, such as chlorine and chloramines, which make water safe for drinking, are highly toxic to fish. High levels of these chemicals destroy fish gill tissue, preventing the uptake of oxygen which can lead to fish death. Even low levels irritate delicate fish tissue. Tap water must be treated before adding fish to make sure fish remain healthy. API TAP WATER CONDITIONER Aquarium Water Conditioner instantly removes chlorine and neutralizes chloramines. It also detoxifies heavy metals in tap water. The formula of API TAP WATER CONDITIONER incredibly concentrated. You only need up to 3 ml to treat 10 gallons of water. It's safe for all aquatic and can be used in both fresh and salt water. Use during aquarium set up, water changes and adding fish. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy growth and help control and cure fish s and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.

Brand: API


Liquid Volume: 64 Fluid Ounces


Item Weight: 5 Pounds


Item Form: Liquid


Number of Packs: 1


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 6 x 3 x 8.5 inches; 5 Pounds


Item model number ‏ : ‎ 52J


Department ‏ : ‎ Unisex-Adult


Date First Available ‏ : ‎ April 4, 2018


Manufacturer ‏ : ‎ Mars Fishcare


Best Sellers Rank: #603 in Pet Supplies (See Top 100 in Pet Supplies) #2 in Aquarium Water Treatments


#2 in Aquarium Water Treatments:


Customer Reviews: 4.7 4.7 out of 5 stars (24,057)


Brand Name: API


Manufacturer: Mars Fishcare


UPC: 317163100523


Global Trade Identification Number: 23


Model Number: 52J


Manufacturer Part Number: 52J


Unit Count: 1 Count


Item Type Name: Aquarium Water Conditioner


Liquid Volume: 64 Fluid Ounces


Item Weight: 5 Pounds


Item Form: Liquid


Pet Type: Fish


Target Species: Fish


Allergen Information: Apple Free


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Sep 13

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • A Must-Have for Aquatic Health!
Size: 16 oz Color: White
I’ve been using API TAP WATER CONDITIONER for a few weeks now, and I’m extremely impressed with its effectiveness in keeping my aquarium water clean and safe for my fish. Here’s why I’m giving it a 5-star review: 1. Perfect for New Aquariums and Water Changes: I’ve recently set up a new tank, and this conditioner has been a lifesaver. It quickly removes harmful chlorine, chloramine, and heavy metals from tap water, which could be toxic to fish. It ensures the water is safe to use without waiting for the water to sit for days. 2. Safe and Effective for All Fish Species: Whether I’m adding new fish to my tank or doing a routine water change, I feel confident using this product. It’s safe for all types of freshwater fish, including my delicate species. I haven’t noticed any signs of stress in my fish after water changes, which speaks volumes about the quality of this conditioner. 3. Easy to Use: The API TAP WATER CONDITIONER is super easy to use. I simply add the recommended amount per gallon of water, and it instantly works its magic. No hassle, no mess—just pour and go! 4. Great Value for Money: Considering the price and the amount of product you get (16 ounces), this conditioner is a great value. It lasts for a long time since you only need a small amount with each water change, making it an affordable option for any aquarium owner. 5. Fast Acting: The conditioner works fast! I can fill the tank with treated water and immediately begin acclimating new fish. I’ve had no issues with cloudy or unsafe water when using this conditioner, and it’s consistently kept the water quality at its best. 6. Trusted Brand: API is a well-respected brand in the aquarium industry, and it’s a name I trust when it comes to my fish’s health. Their products are always reliable and effective. Final Thoughts: If you’re an aquarium owner, whether you’re new to fishkeeping or a seasoned pro, I highly recommend the API TAP WATER CONDITIONER. It’s safe, affordable, and does exactly what it promises—ensures clean, safe water for your fish and keeps them happy and healthy. 💯 Five stars – a must-have for any aquarium enthusiast! ... show more
Reviewed in the United States on February 17, 2025 by Tino Bruno
    • Tap water conditioner
Size: 16 oz Color: White
This water conditoner works great for the 10 gallon tank I have. Great product for the money. Especially someone on a budget but loves fish.
Reviewed in the United States on June 19, 2026 by KarenLynn
    • This API Tap water conditioner works excellently
Size: 16 oz Color: White
Still using untreated tap water in your aquarium? That could be stressing your fish without you even realizing it. This is the API Tap Water Conditioner, and it’s been my go-to water treatment for over a year. Whether I’m doing a water change or just topping off my tank, I add a few drops to tap water to help neutralize harmful chlorine and make the water safer for my fish. I’ve used this conditioner consistently, and my fish stay active, healthy, and stress-free. It’s easy to use, lasts a long time, and works with both freshwater community tanks and routine water changes. If you care about your fish, don’t skip water conditioning. Check out the API Tap Water Conditioner and see why so many aquarium owners keep a bottle on hand. ... show more
Reviewed in the United States on June 7, 2026 by Shanese Edwards Nevers
    • API TAP WATER CONDITIONER Aquarium Water
Size: 16 oz Color: White
this is a reorder product is used lots of times, good price, works well, des great for plants
Reviewed in the United States on June 25, 2026 by Embrpidered Dreams/jewel charm
    • Economical size and it works
Size: 16 oz Color: White
I've been using this water conditioner when I've done water changes in my aquarium for nearly 2 years. As far as I can tell, it has worked well everytime (no problems with my fish). It only takes a little bit for my 10 gallon aquarium and is lasting forever! Good purchase.
Reviewed in the United States on April 10, 2026 by Astrorev
    • Remove the chlorine
Size: 16 oz Color: White
Good product works quick.Removing chlorine from your fish tank water
Reviewed in the United States on June 12, 2026 by Rob
    • Good product.
Size: 16 oz Color: White
Works as it should.
Reviewed in the United States on June 15, 2026 by Rosario Rigsby
    • Excellent Product That Gets the Job Done Every Time!
Size: 16 oz Color: White
Great bang for the buck for this excellent brand and product that I've used for years in my freshwater fish aquariums. Can't go wrong!
Reviewed in the United States on April 24, 2026 by Southern Belle

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