Effectively controls many types of green or green-water algae blue-green algae black beard algae string or hair algae and blanketweed. can be used in auquariums containing live plants.

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Add one teaspoon per 50 u.s. gallons of aquarium water. repeat dose every three days until algae is controlled. siphon or scrape any dead algae from aquarium. once algae growth is under control add one eose every five days.
Poly{oxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylene dicholirde} cas#31075-24-8

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