Seachem Reef Kalkwasser
Seachem Reef Kalkwasser
Aquarium Water Treatment • Fish Health & Water Care Product
📋 Description
Seachem Reef Kalkwasser a high-purity calcium hydroxide (limewater) supplement that raises and maintains calcium while stabilising pH at 8.3-8.4 in reef aquariums. Adding 4 L of saturated solution to 150 L (40 gal) raises calcium by roughly 24 mg/L.
📏 Dosing Instructions
Never add directly to the tank. Dissolve 3 g (1 tsp) in 4 L (1 gallon) of freshwater — or 6 g (2 tsp) for a fully saturated solution — then drip the clear solution into the tank slowly, monitoring pH.
🚫 Avoid
• Exceeding the recommended dosage or frequency
• Dosing without testing current water parameters first where applicable
• Assuming one dose permanently resolves an ongoing water chemistry issue

















