ATM Barrier 8oz

ATM’s Barrier brings you this solid, safe sodium thiosulfate formula that instantly neutralizes chlorine and chloramine as well as heavy metals. Barrier also contains aloe vera, which replaces slime coat on fish to reduce stress and aids in attachment of ATM Colony nitrifying bacteria. 

Neutralizes Chlorine, Chloramines And Heavy Metals Non-Formaldehyde Formula Vitamin E Promotes Natural Healing Replaces Slime Coat Reducing Stress Used By ATM!

4oz treats 237 US gallons
8oz treats 475 US gallons
16oz treats 950 US gallons