Black Advance Algaecide 1 US Gallon (3.8L) (control black & other resistant forms)
- est product for controlling black algae’s innate resistance to chemical
- Insures total killing action quickly
- No waiting period and easy to apply
- Excellent for cleaning algae off pool sides
- No clouding and easy to apply Once black algae is controlled, regrowth can be effective prevent with regular use.
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