Colour your swimming pool red temporarily. Add some glam to your swimming pool in the month of love, with the Aqua Pro Water Changing Colour Red. The Aqua Pro professional range is a temporary, non-toxic and non-corrosive dye that does not affect the chemistry of your water. This product is safe, non-staining, and won’t leave residue on swimmers. Two applications of the dye are suitable for a pool of 50 000 litres and will last approximately 2-3 days. To undo the colouring process, simply add a cup or two of granular chlorine into your pool water and the colour will dissolve, leaving your pool clean and sparkling again.