Tetra Pond CrystalWater 250ml is a powerful water clarifier that quickly clears cloudy water caused by dirt particles. It eliminates dirt particles quickly and effectively for crystal-clear pond water, and it can be used with plants and ornamental fish. With TetraPond CrystalWater, you can expect to see results in as little as a few hours. The active ingredients flocculate the particles in the water, so they can be removed with a landing net or captured by the filter. It’s suitable for ponds of all sizes and is easy to use: just add 50ml of CrystalWater for every 1,000 litres of pond water. Get crystal-clear water with Tetra Pond CrystalWater.