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...

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 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.

NP Biopellets all-in-one - 250ml 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.

Biopellets XL - 250ml We provide a novel filtermedia entitled NP-reducing BioPellets to the professional aquarium industry including public aquaria, zoos and aquaculture facilities. This product has been developed for (professional) aquarists who want to supply their aquarium inhabitants with large quantities of feeds without negatively affecting water quality.

Biopellets (NP Reducing) - 1000ml We provide a novel filtermedia entitled NP-reducing BioPellets to the professional aquarium industry including public aquaria, zoos and aquaculture facilities. This product has been developed for (professional) aquarists who want to supply their aquarium inhabitants with large quantities of feeds without negatively affecting...

Biopellets (NP Reducing) - 500ml We provide a novel filtermedia entitled NP-reducing BioPellets to the professional aquarium industry including public aquaria, zoos and aquaculture facilities. This product has been developed for (professional) aquarists who want to supply their aquarium inhabitants with large quantities of feeds without negatively affecting...

Biopellets (NP Reducing) - 250ml We provide a novel filtermedia entitled NP-reducing BioPellets to the professional aquarium industry including public aquaria, zoos and aquaculture facilities. This product has been developed for (professional) aquarists who want to supply their aquarium inhabitants with large quantities of feeds without negatively affecting water...

Media reactor 4.6kg 6-8mm (medium) 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 XL - 500ml We provide a novel filtermedia entitled NP-reducing BioPellets to the professional aquarium industry including public aquaria, zoos and aquaculture facilities. This product has been developed for (professional) aquarists who want to supply their aquarium inhabitants with large quantities of feeds without negatively affecting water quality.