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50 Gallons or Less & Complete Kits
Continuum Aquatics CM30669
10 KG gram Continuum Captiv Phos FE Ferric Oxide Phosphate Absorber
CM30669(V)
Your Price: $259.99

Detailed Description

Reef•Basis - Captiv Phos Fe is a supreme quality, granular ferric oxide based filtration medium particularly selected for sensitive aquarium environments. It is designed to remove free phosphates and silicates that can act as a fertilizer for unwanted algae or diatoms, directly from the water and will also remove phosphate bearing dissolved organics. It will not kill algae and does not contain any algaecides. It is safe for all marine and freshwater life.

Phosphates enter the aquarium primarily through tap water additions for evaporation or water changes, food addition, particularly brine shrimp, some other frozen foods and use of inexpensive carbon. Silicates enter the aquarium primarily through tap water (natural water contains silicates and water companies add sodium silicate to control equipment corrosion), poor salt mixes, and also improperly filtered additives made from tap water. Phosphates and silicates should be first controlled by the use of water made by reverse osmosis or deionization, limiting phosphate bearing foods and use of a good grade of aquarium carbon from a company you trust. Reef•Basis - Captiv Phos Fe should then be employed to reduce the phosphates that remain, to a level of .04 mg/l (ppm) or less.