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OceanSix Kalkwasser is high grade Calcium Hydroxide. Kalkwasser will maintain Calcium and Alkalinity levels in your aquarium at the optimum ratio. Dissolved in RO water, Kalkwasser can be dosed to your aquarium or the Kalkwasser can be mixed in with your automatic top-off vessel.
300g
Add 1 level measuring spoon (included) of OceanSix Kalkwasser to 5 litres of RO/DI water and stir lightly for 3 minutes. Let the solution stand for another 5 minutes. Slowly drip the solution into a high flow area of your system, being careful not to add the sludge that accumulates at the bottom of your mixing container, to your aquarium. Test your alkalinity level regularly to determine the correct amount of solution to use. Never add Kalkwasser powder directly to your aquarium.
