It acts by clumping together the algae causing it to sink out of suspension or become trapped in the filter,
Features:
Rapidly clears green water
Enhances mechanical filtration
Safe for fish and wildlife
Treats:
250ml: treats 5000L (1,100 gal)
500ml: treats 10,000L (2,200 gal)
1 Litre: treats 20,000L (4,400 gal)