What pH would you reccommend if using crushed marble?
Re: pH crushed marble Written by ‘ ); document.write( addy_text31534 ); document.write( ” ); //–> This email address is being protected from spam bots, you need Javascript enabled to view it on 2006-12-23 17:38:21Since crushed marble is a different crystalline for of calcium carbonate, calcite, versues that with which coral sand and coral skeletons is, aragonite, it means that it requires a lower pH to dissolve it in the same manner. Whereas you would be aiming at somewhere around 6.5-6.8 for aragonite, you will require something that is about 0.3 lower to get the same performance with calcite.
