Tetra Pond Crystal Water 500ml Reptile Ammonia Alert lasts over 9

Ammonia Alert lasts over 9 times as long as competing products (over a year compared to 4-6 weeks)

Replace regularly to ensure crystal clear water

By passing aquarium water through a fluidised reactor housing the bio-media

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which was specially developed for the bonding of plastics with glass

Tetra Pond Crystal Water 500ml Reptile Ammonia Alert lasts over 9Tetra Pond CrystalWater rapidly clears dirty pond water. Quickly clears murky brown water. Clumps particles so they sink or are more easily removed by the filter. Safe for fish plants and wildlife. Add 50ml of CrystalWater per 1000 litres (220 gallons) of pond water. Use the dosing cap provided. For even distribution mix the required amount in a watering can full of water and pour over pond surface. Not suitable for use in very soft water (carbonate