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Fast Facts (page 25) Some people think that 15 ml is more Vinegar than what they should use, but you should be able to use it constantly with no problems. There should be no sediment in the mixture, or just a little bit at most. You can let the sediment settle out if you don't like the white flakes in your tank, or you can just drip the liquid and the sediment both into the tank. |
Dissolving the Kalk powder in the Vinegar first will accomplish several very good things.
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When Calcium Hydroxide solution (Kalkwasser) is slowly dripped into your aquarium, it captures free Carbon Dioxide present in the tank water and converts it to Bicarbonate ions (which is a good thing), like this:
1. It will get more Calcium ions (Ca++) into the solution because you are dissolving the Ca(OH)2 in an acid instead of water, and forming Calcium Acetate, which exists as a dissociated equilibrium of free Calcium ions and Acetate ions. 2. The Acetic Acid (Vinegar) provides an equivalent of all the CO2 you need to avoid precipitating the newly added Calcium ions as useless white Calcium Carbonate powder. 3. After all the cool Calcium ion chemistry is over, the leftover Acetate ions from the broken-down Vinegar leaves you with free organic Carbon in the water that feeds the bacteria in your tank so that it converts more poisonous Nitrates to NO2 gas (a very good thing). more----> |
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