Ph required to disolve araganite

[orthokardia]

Does anyone know the Ph required to disolve aragonite like in a calcium reactor? I ask because my makeup water after RO/DI is some what acidic so i was wondering if i could run it through an 1" pvc tube of fine ARM and get some reactor like effect.

-bart

 

[rumble]

Check this out:

http://www.advancedaquarist.com/issues/july2002/chem.htm

Or read this thread where the author of the above article summarizes it himself:

http://www.reefcentral.com/forums/showthread.php?p=16648831

 

[orthokardia]

thanks for the link. the setup i was envisioning would have missed the benifit of atmospheric co2.