Use ClearWater Quick Shock ( SHOK ULTRA 3 IN 1 )weekly to keep water crystal clear. Maintain daily levels identified in the directions for use of the swimming pool sanitizer being used, as determined by testing kit. SHOK ULTRA 3 IN 1 actively destroys the organic residue in your pool water.

300 gram bag per 40,000 litre of pool water

Sku# 3007350 30

Brand Sani Marc