Natural rocks "The reef Rock" (20kg) - Size L Contains a mix of large size rock ranging from 26 cm (10 inch) to 32 cm (13 inch) size. Each rock weight 3 kg to 4,5 Kg. Collected in the Oceania tropical nature. 100% natural rock, 0% artificial rock. THE REEF ROCK® is a ready-to-use natural rock collected from a sustainable source causing a low environmental...

Natural rocks "The reef Rock" (20kg) - Size M Contains a mix of medium size rock ranging from 20 cm (8 inch) to 24 cm (10 inch) size. Each rock weight 1,5 kg to 2,5 Kg. Collected in the Oceania tropical nature. 100% natural rock, 0% artificial rock. THE REEF ROCK® is a ready-to-use natural rock collected from a sustainable source causing a low...

Natural rocks "The reef Rock" (20kg) - Size S Contains a mix of small size rock ranging from 13 cm (5 inch) to 20 cm (8 inch) size. Each rock weight 0,5 kg to 1,5 Kg. Collected in the Oceania tropical nature. 100% natural rock, 0% artificial rock. THE REEF ROCK® is a ready-to-use natural rock collected from a sustainable source causing a low environmental...

CaribSea Life Rock Original (18kg) Ecological aquascaping made easy Replicate the live rock effect in your aquarium with Life Rocks by CaribSea: created from real ancient marine rocks, Life Rocks are a natural biological filter that works to denitrify any closed marine environment and keep the water clean and stable. They are environmentally friendly and help to...

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

CaribSea Life Rock Belize shelf (18kg) CARIBSEA Life Rock Shelf are aragonite-based, flat stone-shaped stones covered with a film of bacteria that reactivates during impoundment. Good alternative to living stones or in addition to them, the Caribsea Life Rocks offer excellent porosity without the inconvenience of adding unwanted potential due to wild living...

CaribSea Life Rock Belize Branch (9kg) Don't just put rocks in your tank, ROCK YOUR REEF with LifeRock Belize Branch! Spectacular branches make a reef tank go from nice to WOW! LifeRock Belize Branch fills an aquarium, but leaves open more area for fish and inverts to display. Amazing porosity, incredible biological performance (drops ammonia like real live rock),...

South Seas Base Rock by kg

South Seas Base Rock 18 kg

CaribSea Life Rock Belize shapes (9kg) CARIBSEA Life Rock Shapes are stones in the form of particular design (arches, caverns, etc.) based on aragonite covered with a film of bacteria that reactivate during the impoundment. Good alternative to living stones or in addition to them, the Caribsea Life Rocks offer excellent porosity without the inconvenience of adding...