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Posted by on February 13, 2008, 7:35 pm
Please log in for more thread options yes to limestone, organic dolomitic limestone (not dolomite or quick lime) but
DONT
use plaster of paris as that will do very wonky things to the pH and dont use
marble.
Ingrid
>yes it works, but its a pain after the first one or two
>waterchanges.......as you always have to be adjusting the ph with
>more of it or you need to do it to the makeup water. I prefer to use
>a compound such as calcium carbonate in solid form or some limestone,
>that will rasie the ph to the upper side over time but not dissolve
>over a short period of time. I have used crushed limestone and
>limestone rocks
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>waterchanges.......as you always have to be adjusting the ph with
>more of it or you need to do it to the makeup water. I prefer to use
>a compound such as calcium carbonate in solid form or some limestone,
>that will rasie the ph to the upper side over time but not dissolve
>over a short period of time. I have used crushed limestone and
>limestone rocks