[500 ml Resin]
[100 ml Resin + Elite | 6.5-Ounce]
[100 ml Resin]
[100 ml Resin + PhosGuard | 100 Ml]
Seachem Purigen is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes soluble and insoluble impurities from water at an excelled rate and capacity.