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- Pureblue Black Spot Killer 1Kg Pureblue Black Spot Killer 1Kg
- Description
- Reviews
Why does my pool keep getting black spot?
The algal spores often take up residence on your pool walls and floor when it is empty and grow once it has been refilled with water. Algae growth is caused by an imbalance in the pH of the pool from wind and rain, so maintaining regular chemical treatments will help keep black spot at bay.
Description
900g/kg Trichloroisocyanuric Acid
Features
Controls blackspot algae in pebblecrete, plaster and tiled pools
Slow release
Metal free