Maxspect Nano Tech Bio-Sand 5 kg Maxspect Nano Tech Bio-Sand is specially designed for marine, reef and African cichlid aquariums. Maxspect Nano Tech Bio-Sand consists of 1 kg of ceramic-based Nano-Tech Bio-Media and 4 kg of high-quality aragonite sand. The Nano-Tech Bio-Media particles retain bacteria...

Denitrification catalyst 5pcs for Maxspect Anaerobic Block For optimum efficiency, it is recommended to change the denitrification catalyst every 2 months and the Nano-Tech Anaerobic-Block should be cleaned or replaced ...

Maxspect Nano Tech Phosphree 500 ml Maxspect Nano-Tech Phosphree is a chemically stable polymer resin that does not release metal ions into the water column, unlike metal-based sorbents. Granular ferric oxide, or...

Maxspect Nano Tech Phosphree 250 ml Maxspect Nano-Tech Phosphree is a chemically stable polymer resin that does not release metal ions into the water column, unlike metal-based sorbents. Granular ferric oxide, or GFO, not only...

Maxspect Nano Tech Clear Cube 8pcs Maxspect Nano-Tech Clear Cube are tourmaline-based cubes with unique water clarification capabilities. The Nano-Tech Clear Cube dissolves, dissociates and breaks down dissolved organic matter (DOM) present in the water, eliminating the yellowish tint...

Maxspect Nano Tech Anaerobic Block The Maxspect Nano-Tech Anaerobic-Block for freshwater and saltwater aquariums effectively removes nitrates from the aquarium. This patented technology is specially designed to stimulate the multiplication of anaerobic bacteria. These...

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...

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

Gray Coast sand 10kg Gray Coast™ Calcite is an all natural calcite substrate for all types of marine, reef and tropical aquaria. Its chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines. Unlike competing “wet” gravels, Gray Coast™ is sold dry: this bag contains 35% more gravel than a bag of wet gravel of equal...