Seachem PhosGuard, 100 mL bagged – 67101850 Price: $5.22 (as of 22/04/2021 15:17 PST- Details)

Rapidly removes phosphate & silicate
Bead-shaped for optimum water flow
Highly porous for high capacity



  • Removes silicate and phosphate
  • Spherical for optimal hydrodynamics
  • Irreversible binding


    PhosGuard™ rapidly removes phosphate and silicate from marine and freshwater aquaria. Although PhosGuard™ is effective in both fresh and marine water, it will operate better in sea water and the need for it is better defined in sea water. It is not recommended for phosphate buffered freshwater (PhosGuard™ would remove the buffer until saturated). PhosGuard™ is highly porous and bead-shaped to promote easy water flow through and around it, thereby increasing both its efficiency and capacity.

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