Hydra Devour is a high-performing adsorption granulate based on iron hydroxide. It was specifically developed for adsorptive removal of phosphate and silicate from water in fresh and seawater aquariums and garden ponds. Due to its large surface area of over 250m²/g, it can bind phosphate ions quickly, effectively and binds them irreversibly to the filter medium. All of our production facilities are audited yearly ton international standards and the special production and drying procedure of Hydra Devour makes it a very robust, stable, long lasting media and highly reactive to phosphates. Whereas competitors use fine particles to achieve effectiveness, Hydra Devour is more effective not because of fine particles, but because of the nano sized porous internal structure and surface. Treatment: 250g treats up to 2,500 litres (550 gals) fresh water and 1,200 litres (275 gals) Salt waterApplication and usage rates: Hydra Devour comes in two different granular sizes 0.5 - 2.0mm and 2.0 - 4.0 mm. The price is the same for each grain size. Use as Follows Filter Cartridges, Fixed or Fluidized Bed Filters Use grain size 0.5-2.0 mm. Filter Bags Use grain size 2-4 mm. Absorption Capacity Fresh Water Phosphates 12-16g/kg, Heavy Metals 5-8g/kg Absorption Capacity Salt Water Phosphates 6-8g/kg, Heavy Metals 3-4g/kg
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