diy kalkwasser

[dolphinman213]

can someone show me to the thread for making your own kalkwaser-- and calcium

[jansenwrasse]

I am not sure of a link but this should work

CaCO3 ( Coral skeletons)

heat until about 800 degrees Celsius to drive off co2
now you have CaO

disolve in water ( pretty reactive exothermic) CaO + H2O -> Ca(OH)2

You can't store the CaO as it will absorb CO2 from the environment.

Or you can take elemental Ca (the metal) and dissolve it in cold water.

Ca + 2H2O -> Ca(OH)2 + 2H (Hydrogen gas is explosive so be careful)

It is so much easier to buy it, and it is dirt cheep.

[dolphinman213]

no offense--but what the hoo hoo are you talking about--i'm no chemist--i just want to know about measuring pickling lime to make diy kalk

[sabbath]

Here you go.

http://www.reefkeeping.com/issues/2005-01/rhf/index.php

[bertoni]

He's giving you instructions to make pickling lime from coral skeletons or limestone. You just need to buy the pickling lime. If you need a calcium-only supplement, a number of vendors sell calcium chloride in bulk.