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calcium, carbonate and dkh

newdamsel

By newdamsel,
in General Reefkeeping_

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Tanzy Newbie

Tanzy

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Thanks for spotting my mistake, I've been over simplifying things until I got confused myself.

The other OH- I've left out reacts with the H+ in the last reaction to give H2O.

post-36-1093875548.jpg

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Tanzy Newbie

Tanzy

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Picture didn't come out. I'll try again.

post-7-1045573660.gif

post-36-1093875548.jpg

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Tanzy Newbie

Tanzy

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Just in case you are still confused or I'm not clear, I've attached a scan of the reactions below. As you can see, to get from Carbon dioxide to carbonate, 2 hydrogen ions are generated and these need to be neutralised by the 2 hydroxyl (OH-) groups from the calcium hydroxide.

post-7-1045573707.gif

post-36-1093875548.jpg

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http://www.sgreefclub.com/forum/uploads/post-36-1073276974.gif post-36-1073276974.gif

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