Black Out kills algae and eliminates black and green algae spots in white plaster pools. Made from 99% pure Trichlor granules it is not for use in painted, vinyl-lined, fiberglass or colored plaster pools.
- 99% Trichlor granules
- Kills black and green algae
- Contains no metals
- For use on white plaster pools
- Available in various sizes to meet your daily service needs.