Seachem - PhosGuard

Seachem PhosGuard is highly porous and bead-shaped to promote easy water ﬂow through and around it and rapidly removes phosphate and silicate from marine and freshwater aquaria.

Removes silicate and phosphate
Spherical for optimal hydrodynamics
Irreversible binding

PhosGuard Dosing Tables

It is not recommended to overdose PhosGuard, as this can lower phosphate levels too rapidly and stress-sensitive invertebrates. For reducing extremely high phosphate levels, replace PhosBond every 4 days.

Saltwater:

Water Volume	1 gal / 4 L	10 gal / 20 L	20 gal / 40 L	60 gal / 200 L
PhosGuard Dose (mL)	1.7 mL	17 mL	34 mL	102 mL
PhosGuard Dose (Imperial)	1/3 tsp	3 2/5 tsp	2 1/3 tbsp	6 2/3 tbsp

Freshwater:

Water Volume	1 gal / 4 L	10 gal / 20 L	20 gal / 40 L	60 gal / 200 L
PhosGuardDose (mL)	0.85 mL	8.5 mL	17 mL	51 mL
PhosGuard Dose (Tsp)	1/6 tsp	1 2/3 tsp	3 2/3 tsp	3 1/3 tsp

PhosGuard - Seachem

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