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.