4 / 6mm adjustment valve Regulating valve for hose with a diameter of 4/6 mm. The tap can be used for both air and water (nitrate reducer and calcium reactor). High quality plastic guaranteeing a long service life. Easy to adjust flow rate with precision.

T Reduction 16/22 - 4/6mm Reduction T is used for the connection of bypass filters like p. ex. the nitrate reducer or the calcium reactor.

T Reduction 12/16 - 4/6mm Reduction T is used for the connection of bypass filters like p. ex. the nitrate reducer or the calcium reactor.

T Reduction 9/12 - 4/6mm Reduction T is used for the connection of bypass filters like p. ex. the nitrate reducer or the calcium reactor.

Media reactor 4.6kg 8-16mm (large) DVH Aquatic Calcium Reactor Media is a raw, natural re-occurring, biogenic, 99,8% pure calcium carbonate derived from marine aragonite. Its near chemical purity and size consistency making it the complete reactor media for all...

Media reactor 4.6kg 4-6mm (fine) DVH Aquatic Calcium Reactor Media is a raw, natural re-occurring, biogenic, 99,8% pure calcium carbonate derived from marine aragonite. Its near chemical purity and size consistency making it the complete reactor media for all...

BioPellets Mega Media 1000ml BioPellets Mega Media - 1000ml Filter granules for nitrate and phosphate degradation. Aquarium Systems' NP Biopellets will enable targeted nitrate and phosphate degradation in seawater aquariums. Filtration with NP Biopellets is a probiotic method in which,...

BioPellets Mega Media 400ml BioPellets Mega Media - 400ml Filter granules for nitrate and phosphate degradation. Anquarium Systems' NP Biopellets will enable targeted nitrate and phosphate degradation in seawater aquariums. Filtration with NP Biopellets is a probiotic method in which, thanks to the presence of an...

CO2 solenoid M-ventil 1/2" M-ventil 1/2”  for water is intended for automatic control of reverse osmosis units. The brass body has connections for 1/2” BSP male fittings and is recommended only for use with tap water. The power uptake is 6 watts.

Bubble counter plus

NP Biopellets all-in-one - 1000ml (new formula) Previously, we were the first to develop and present the NP reducing Biopellets which are mostly removing Nitrogen waste products and to a small extend also Phosphates. Where our competitors lifted on our success and sit back, we kept developing our product.

NP Biopellets all-in-one -  500ml Previously, we were the first to develop and present the NP reducing Biopellets which are mostly removing Nitrogen waste products and to a small extend also Phosphates. Where our competitors lifted on our success and sit back, we kept developing our product.