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• To control algae, add one piece per 20L or one complete block per 120L of water.

• This block is best used as a preventative or when algae first appears or after cleaning an algae infested aquarium

• Blocks will dissolve over 7-14 days depending on water conditions and circulation

• If possible control the amount of sunlight or artificial light to reduce the growth of algae

• Repeat only when algae reappears

• To prevent oxygen depletion, remove heavy algae growths mechanically before treatment and aerate the water after use

Aquarium Algae Eliminator Block 20g

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