Black Algaetrine Algaecide

The Black Algaetrine Algaecide made by Applied Biochemists is specially designed to fight tough black algae. It contains copper and penetrating agents to kill and prevent the growth of even the most deeply-rooted algae cells. It also allows for swimming without waiting and is compatible with all pool types.


  • Quart Bottle.
  • Controls black algae and other resistant forms.
  • Swimming can resume immediately after treatment.
  • Compatible with chlorine, bromine and ozone sanitizers.
  • Geremia Pools recommends super chlorination and constant filter running along with the use of this product.
  • Also, please use a stainless steel wall brush to remove heads of black algae.
  • When using stainless steel brush, please be careful! You can damage old plaster as well as new!!