Mnesarchus Posted September 27, 2002 Share Posted September 27, 2002 I have read that a certain level of calcium will not dissolve without a significant change in alkalinity, so it will prevent itself from getting too high. What level of Calcium (ppm) would you consider harmful in a nano? Link to comment
Physh1 Posted September 27, 2002 Share Posted September 27, 2002 It is hard to say for sure. Most test kits available to use stop reading anything over 500 accurate. Pushing 450-475 is about max (clams, heavy stonies, etc). There should be no reason to go higher. At really high levels you will actually see calcium calcification (sp?) buildup on the tank. This is another indication of too high of a CA level. High CA levels will cause drastic ALK drops since CA is acidic in nature. High calcium levels are not really a direct problem BUT the affects of high CA on your ALK value could be problematic. Anything around 400ppm in any reef is safe. Cameron Link to comment
spectre Posted September 27, 2002 Share Posted September 27, 2002 450 should be the max. 500+ and you run the risk of a snowstorm(calcium falling out of solution..looks just like snow)..HTH Link to comment
MKramer Posted September 27, 2002 Share Posted September 27, 2002 Just a quick add-on to Physh1's comments about high Ca and low Alk. While high Ca will lead to low Alk, I discovered another interesting relationship.... Low Alk will cause some Ca tests to read extremely high. I had Ca that was testing off the end of a Ca test supposedly accurate to 600, at which point my tank should have been a virtual blizzard. Another Ca kit gave me readings of 375. Turns out my Alk was at 1KH. Once I raised it, the Ca tested around 425 with both kits. Link to comment
spectre Posted September 27, 2002 Share Posted September 27, 2002 good point Mkramer.. Ca and Alk do go hand in hand..if you have an erroneous reading on one, be sure and check the other one as well.. Link to comment
Physh1 Posted September 27, 2002 Share Posted September 27, 2002 Originally posted by MKramer Just a quick add-on to Physh1's comments about high Ca and low Alk. While high Ca will lead to low Alk, I discovered another interesting relationship.... Low Alk will cause some Ca tests to read extremely high. I had Ca that was testing off the end of a Ca test supposedly accurate to 600, at which point my tank should have been a virtual blizzard. Another Ca kit gave me readings of 375. Turns out my Alk was at 1KH. Once I raised it, the Ca tested around 425 with both kits. Very good point...tests kits are funny that way sometimes Cameron Link to comment
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