Lively and healthy fish, shrimps and crayfish
Water according to the original biotopes supports coloration and natural behavior
Immediately binds heavy metals
No pH value alterations
Reduced algae growth due to reduced light
Long lasting water tint
sera blackwater aquatan with the Bio-Protect Formula conditions tap water to dark, clear, fish friendly freshwater just like in tropic waters.
100 ml / 3.38 fl.oz. sufficient for: 132 US gal. (500 liters)