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.

NP-Minus BioPellets 3500ml Important: operating ONLY in a biopelletreactor or fluid bed filter ! The highly active NP-Minus BioPellets consist of 100% biodegradable polymers. These dissolve over a period of several months and act as a carbon source for aerobic bacteria and other microorganisms. The pellets act as a food source for these microorganisms....

NP-Minus BioPellets 500ml Important: operating ONLY in a biopelletreactor or fluid bed filter ! The highly active NP-Minus BioPellets consist of 100% biodegradable polymers. These dissolve over a period of several months and act as a carbon source for aerobic bacteria and other microorganisms. The pellets act as a food source for these...

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 Grotech Diameter 50mm, Lenght 200mm with hose connectors and holder.

AMS  Procalc - calcium media for reactor (5kg)

Bubble counter plus