Carbon Wool Pad  145 X 35 X 5cm Mountain Tree Carbon Wool Pad is specifically designed to aid the cleaning of the water, remove particles and get your pond water crystal clear. The wool effectively polishes the water, quickly removing the particles which create the cloudiness, and the carbon impregnated foam removes chemical...

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