Seachem Purigen Size:500ml The silicate test measures silicates

The silicate test measures silicates to less than 0

100W - 21cm - 20-60L

In addition to that

The capsules are inserted deep into the substrate at the base of the plant to promote root growth

) for advanced filter performance

Seachem Purigen Size:500ml The silicate test measures silicatesPurigen is a premium synthetic adsorbent that is unlike any other filtration product. It 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 a rate and capacity that exceeds all other competing products by over 500%. Purigen controls ammonia, nitrites and nitrates by removing nitrogenous organic waste that would otherwise release these harmful