Sera Blackwater Aqua 250mls

For a natural blackwater effect as in the tropics

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
Extremely economic
sera blackwater aquatan with the Bio-Protect Formula conditions tap water to dark, clear, fish friendly freshwater just like in tropic waters.

Container size 250mls treats 1250 litres of water

Container size 5 litres treats 25,000 litres of water