Purigen 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 synthetic that removes soluble and insoluble impurities from water at a...

Simplicity GFO is sold in 1lb bags and is best used in a media reactor for maximum performance, which is the same for all granular ferric oxides.  GFO is used to remove phosphate from the water reducing algae growth and...

GFO Granular Ferric Oxide - 1 Pound Bulk The purpose of GFO is to inhibit algae growth by removing phosphates from the aquarium. Maintaining low phosphate levels will help prevent algae outbreaks and control growth. Serious...

NYOS PHOSI-EX - Phosphate Remover - GFO NYOS PHOSI-EX is an extremely high-performance, moist and secure silicate and phosphate adsorber on an iron basis. The targeted use of PHOSI-EX will prevent unwanted algae plagues...

NYOS ZEO NYOS ZEO is a high-quality, specially adapted zeolite mixture for seawater aquariums. Regular use reduces nitrate values permanently, simply and safely to the detection limit. Naturally pure, high-quality, free of...

NYOS ACTIVE CARB - Activated Carbon NYOS ACTIVE CARB is a high-quality, steam-activated, pH-neutral activated carbon, the use of which achieves crystal clear, clean aquarium water. Removes harmful yellow substances,...

NYOS AQUA PURE NYOS Aqua Pure is a mixed-bed DI resin, the use of which provides very pure output water for reverse osmosis systems. Very economical due to its high absorption capacity Removes reliably any ions that may...