Eliminate yellow, green, and black algae with this efficient, long-lasting, copper based, algaecide.
- Active Ingredient: Copper as elemental 7.41%
- Non-selective: kills all types of algae
- Long-lasting residuals
- Best copper based algaecides; with the least risk of staining
- Increases efficiency of sanitizers
- Improves water quality
- Weight: 2.5 lb