Marinepure PLATE 20x20x2.5cm Designed for Ammonia and Nitrite Removal under high flow. Deep pore structure will allow development of low oxygen zones, which will help with control of nitrates. Perfect for the creative hobbyist as it can be easily shaped. Use in sumps, between baffles, shape to fit in tight/custom places.

Marinepure BLOCK 20x20x8cm Ammonia, Nitrite & Nitrate Removal Primarily designed to provide deep anaerobic zones for de-nitrification in passive or low flow systems. Live rock substitute Use in Aquarium sumps

Activated Carbon 1L High quality activated carbon especially developed for salt water tanks. You will see the difference significantly on your corals. Put it in a mesh bag in a passively flown filter bypass or in a nylon stocking on top of the ZEOvit® in the ZEOvit® filter. Rinse the carbon briefly with hot tap water before use. The result is a better...