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...

QFI Element-MIX 5000ml Additive that provides minerals and trace elements. Dosage: 10ml / 100l. biweekly. The dosage is indicative and corresponds to a standard aquarium, with a normal biological load, each user must adjust their dosage to their needs.