Description

Algae Blocks by Biotec are a slow-release algae killer. Controls hairy algae and green water over 5 to 10 days by disrupting algae photosynthesis. Clears tanks & ponds. Stabilizes tank & pond water.

Directions for use. Place the block in the tank or pond or crush the block to smaller granules & sprinkle them onto hairy algae directly.

Algae Blocks;

• Clears tanks & ponds

• 1grm treats 57 litres

• 4 blocks treats 4788 litres

• APVMA Australia approved

• 21 Grams x 4 Blocks