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do crushed coral chips raise water pH?


jun
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I read that Aragonite will do a better job becos it will dissolve and release calcium(?) when the PH is below 8.2. That's why I'm thinking of adding Aragonite to my crushed corals floor.

Anyone can confirm this?

bro adrianlau i think the Aragonite should me placed in a refrigeriam(pardon me for my spelling)it should slow currents to ensure the bacteria grows.

if you have any questions feel free to pm me.

cheers

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the crushed coral chips contain calcium carbonate. Aragonite is a purer form of calcium carbonate. Anyway, we use these materials as substrate because unlike wood or some kinds of rock, they do not leach acids or compounds which affect seawater chemistry adversely. The buffering effect does occur but probably to a very slight extent compared to saltwater - just use some powdered buffer if you want to maintain your pH.

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I read that Aragonite will do a better job becos it will dissolve and release calcium(?) when the PH is below 8.2. That's why I'm thinking of adding Aragonite to my crushed corals floor.

Anyone can confirm this?

em... for that to happen, the "melting-point" wud be a pH of somewhere btw 6.5 to 6.9... which can happen if you hv a CC bed thick enough... otherwise its very difficult for aragonite to melt in the maintank.

About raising tank pH, you need a constant depletion of CO2 or suppression/take up of CO2 quick enough.

So if you have CC, and ur pH is high, it is most definitely because of something else. And if you hv a thick SB, more often than not, you'll experience a lower pH.

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