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For a natural blackwater effect as in the tropics | Immediately binds heavy metals | No pH value alterations
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德國製造 Made in Germany
For a natural blackwater effect as in the tropics
sera blackwater aquatan with the Bio-Protect Formula conditions tap water to dark, clear, fish friendly freshwater just like in tropic waters.
Recommended dosage
Add one capful blackwater aquatan, filled up to the end of the outer corrugation (0.3 fl.oz. / 10 ml) per each 13.2 US gal. (50 liters) of aquarium water. A brief turbidity is desired and shows the efficacy of the product. The turbidity will disappear within a few hours, the water will then be dark and clear.