MJ’s Pet Closet 16 Ounces Aquarium Fish Tank Water Conditioner
Use when filling aquarium with tap water, performing water changes, or adding fish. Instantly makes tap water safe for fish. Supplement for fish that have been stressed, transported, or netted. Detoxifies heavy metals, ammonia, and other elements released from fish waste. Convenient dosage cap is included.
Neutralizes the chlorine and chloramines typically found in tap water, making it safe for fish. Helps reduce stress as fish become familiar with their new environment. Helps restore the natural slime coat to skin and gills, which can be worn away from netting and transporting fish.
| Key Features |
|---|
| Removes chlorine and chloramines from tap water |
| Detoxifies ammonia and heavy metals |
| Supports fish recovery after transport or stress |
| Safe for use during water changes and new tank setup |
FAQ
Can this conditioner be used in both freshwater and saltwater tanks?
This product is designed for freshwater aquariums only. It is not recommended for use in saltwater tanks.
How much should I use per gallon of tap water?
Use one dose per 5 gallons of water. The dosage cap included makes it easy to measure.
Does it affect the pH of the water?
No, this conditioner does not alter the pH of the water. It only neutralizes chlorine and chloramines.




Sally Carr –
I used this conditioner after filling my new tank with tap water. My fish didn’t show any signs of stress, and the water clarity improved quickly. It’s easy to use and works as promised.
Emma Scott –
Great for new tank setups. I added it every time I changed water. My betta stayed calm and active after the first use. A little pricey but worth it for the peace of mind.
Victoria Morrison –
My fish were stressed after being transported. I used the conditioner before placing them in the tank and noticed a difference in their behavior within hours. The slime coat seemed to return naturally.
Keith Chapman –
Works well during water changes. I mix it with tap water before adding it to the tank. No fish issues since using it regularly.
Richard Rees –
The cap is easy to use and the instructions are clear. I’ve used it for over a month now and haven’t had any fish health problems. Highly recommend for beginners.