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Old 11-12-2003, 11:27 PM   #11
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You need to know what the levels are to find out if they are in balance. Say your CA is 420 ppm then a balanced alk would be close to 8.3 DKH or 3 meq/L depending on how you measure it.

http://www.andy-hipkiss.co.uk/caalkcalc.htm

There is a calculator that can help you figure the balance, just input one of your numbers and it will give you what the other should be to be balanced.
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Old 11-12-2003, 11:34 PM   #12
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Calcium levels should be in the 380-450 ppm range and alkalinity should be in the 2.5-4.5 meq/litre range. If one number is way outside this range and the other is inside then the levels would be unbalanced. IME Reef Crystals mixed to a specific gravity of 1.025 has an alk of about 2.8meq/l and a calcium level of about 410 ppm. These values will differ from batch to batch and will depend on temperature, specifc gravity and pH. I mix to about 1.025 with a pH of 8.1 and a temp of @80 degrees Fahrenheit.
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Old 11-13-2003, 12:31 AM   #13
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Great thread!
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Old 11-13-2003, 01:45 AM   #14
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i dont test for cal. is that bad?
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Old 11-13-2003, 06:11 AM   #15
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Quote:
i dont test for cal. is that bad?
If you do not have any calcium consumers and you do regular water changes...then no it's not bad, but if you get lots of LR and stoney corals and coraline growth, then you should test.
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