Seachem Replenish 500ML

Replenish is a proprietary blend of salts designed to replenish physiologically relevant minerals that are removed by reverse osmosis or deionizing filtration. Replenish restores General Hardness (GH) using a balanced blend of both ÒsoftÓ (sodium, potassium) and ÒhardÓ (calcium, magnesium) salts.