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Info: Seachem Purigen® Dosage Instructions

Rinse before use. Use in a fine mesh (180 micron or less) filter bag such as Seachem’s The Bag™. Each 250 mL treats up to 1,000 L (250 US gallons) for up to six months. Exhaustion is indicated by a pronounced discoloration of the beads to dark brown or black.

Purigen® Dosing Tables

Like most Seachem® filter medias, Purigen is available in a convenient 100 mL pre-bagged packet which treats 100 gallons. There is no such thing as a "Purigen® overdose" so this packet may be used in extremely small tanks as well.

 

Water Volume 1 gal / 4 L 10 gal / 38 L 20 gal / 76 L 60 gal / 227L
Purigen® Dose (mL) 1 mL 10 mL 20 mL 60 mL
Purigen® Dose (Tsp) 1/5 tsp 2 tsp 4 tsp

12 tsp

 

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