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Seachem Laboratories Seachem Phos Guard 4literConsumer Rating :Price Range : $48.00 - $57.00 SeaChem PhosGuard is a high capacity and high efficiency filtration product for removing phosphates and silicates from marine or fresh water aquaria. Unlike competing products, PhosGuard is bead-shaped for optimum flow characteristics and has an exceptional porosity for enhanced capacity. PhosGuard has a working capacity to remove 20 to 60 mg/L phosphate in 100 gallons with a similar impact on silicates. It may be used continuously or intermittently, and will not release removed phosphate. PhosGuard will cause a decline in hair algae and enhance coral growth. Each liter treats up to 300 gallons. Marine or freshwater use. | Merchant Offers
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 | PhosGuard 2.4 kg 4LPhosphate control for marine or freshwater systems more at Foster and Smith Aquatics |  | Only $53.49 |
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