ReefKalk - Hydroxyde de calcium 400g ReefKalk - Calcium hydroxide 400g, description and features: Source of calcium hydroxide for the preparation of limewater or Kalkwasser. It provides calcium and maintains alkalinity for better growth of soft and hard corals, mollusks, tubeworms and calcareous and coralline algae. It also...

Funnel for reactor/filter v1.1 - large opening - 90mm Easily refill your calcium reactor or fluidized bed filter. Large opening for media (70mm), suitable for diameters from 70mm to 190mm thanks to its supports. 3D printing - PLA or ABS - non-contractual color.

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...

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...