I run my tanks at 1400ppm Magnesium 10-11 dkh and between 400-420ppm Calcium. The tank seems to be consistantly around 8.0 to 8.3 ph without any interference by me. I have only been in the hobby for about a year but this is what has been working well for me so far.
The perfect levels are going to vary from system to system. From what I have read a certain calcium/alkalinity balance will be most useable by the corals for calcification at a certain ph. Sometimes higher then 8.3, sometimes lower, depending on how high or low the alkalalinity/calcium levels are. I hope that statement makes sense.
Last edited by ReefsB4Bills; 12-15-2007 at 11:29 PM.
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