Media

Biopellets NP-Minus 1000 ml - Grotech Anti-nitrate granules and phosphates for marine aquariums The Biopellets NP-Minus 1000 ml of Grotech are highly active biodegradable granules, specifically developed to effectively reduce nitrate and phosphate levels in marine aquariums. They are used exclusively in a biopellet reactor or in a fluidized bed filter. Thanks...

Effective Reduction of Nitrates and Phosphates Grotech's NP-minus Biopellets offer an advanced biological solution to maintain an optimal balance in your reef aquarium. They promote the growth of beneficial bacteria that consume nitrates and phosphates,...

Magnesium Balance for Thriving Reefs Maintain the essential balance of your reef aquarium with Grotech Magnesium pro. Specifically formulated to compensate for the common magnesium deficit when using calcium reactors, this supplement ensures an optimal...

Biological stabilization and effective reduction of nitrates Nyos® ZEO is a high-end natural zeolite specially formulated for reef aquariums. It allows a progressive, safe and sustainable reduction of nitrates, promoting a biological balance close to natural seawater.