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.

NPO Redu Pellets No3 & Po4 - 1000ml Fauna Marin Redupellets are a 100% biodegradable Biopolymer, specially developed for nutrientreduction in marine aquariums. Fauna Marin Redupellets promotes the growth of aerobic und anaerobic bacteria and control the nitrogen cycle in the filtersystem. This probiotic filtration method combines effective nutrient...

NPO Redu Pellets No3 & Po4 - 500ml Fauna Marin Redupellets are a 100% biodegradable Biopolymer, specially developed for nutrientreduction in marine aquariums. Fauna Marin Redupellets promotes the growth of aerobic und anaerobic bacteria and control the nitrogen cycle in the filtersystem. This probiotic filtration method combines effective nutrient reduction...

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.

Zeo Light 1l (Zeolithe) Zeo light is a specially formulated Zeolite for reduction of nutrient concentrations in marine aquaria. This Zeolite provides nitrate- and ammonium-reducing bacteria an ideal environment. By using a composition of different Zeolites, carefully selected for their specific physical and chemical properties, this filter medium will...

Zeo-Light Starter Kit The Fauna Marin Zeo-Light-System is based on few, but very effective products to allow for an easy maintenance of your marine aquarium. The Fauna Marin Zeo-Light-System is based on few, but very effective products to allow for an easy maintenance of your marine aquarium. The Fauna Marin Zeo-Light Starter Kit contains: 1 x...

Bubble counter plus

Bacto energy (Ultra bak) 1l for zeolithe filter Ultra Bak is a nutrient solution for bacteria commonly found in a marine aquarium. After addition of Ultra Bak bacteria will grow rapidly and thereby will convert unwanted nutrients like nitrite, nitrate and phosphate into biomass. The bacteria will either be skimmed off or taken up by corals and filter feeders, thereby...

Bacto energy (Ultra bak) 500ml for zeolithe filter Ultra Bak is a nutrient solution for bacteria commonly found in a marine aquarium. After addition of Ultra Bak bacteria will grow rapidly and thereby will convert unwanted nutrients like nitrite, nitrate and phosphate into biomass. The bacteria will either be skimmed off or taken up by corals and filter feeders,...