- Very effective blackspot removal
- Powerful slow dissolving chlorine
- Takes 2 days to remove algae
- Can be used as spot treatment, or for broader coverage
The most effective form of blackspot and algae removal for below ground swimming pools, Hy-Clor Blackspot Remover can be applied directly to trouble spots. It is a highly concentrated, slow dissolving chlorine that takes 2 days to remove algae.
This product is not for use in painted, vinyl or fibreglass pools.