Blackspot Algaecide Granular (1kg – 10kg)
IQ’s Black Spot Concentrated Granular Algaecide controls blackspot algae in plastered, tiled and pebblecrete pools (for use in these pools ONLY). Do not use this product on any artificially coloured surface. This product has high chlorine and low pH.
Contains 900 g/kg available Chlorine present as Trichloroisocyanuric Acid (TCCA).
The granules can be directed to specific problem areas, and the slow dissolving action of this product will kill/bleach Blackspot and stains.