Sera Blackwater Aquatan Water Conditioner creates a natural blackwater effect, as in the tropics. Sera Blackwater Aquatan with Bio-Protect Formula conditions tap water to dark, clear, fish friendly freshwater just like in tropical waters.
• Lively and healthy discus fish, shrimps, and crayfish
• 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
Upon first adding Sera Blackwater Aquatan, the water will be turbid for a few hours and then will turn clear and dark.