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Old 06-24-2009, 01:32 AM   #1
scottmorton
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Join Date: Jun 2009
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calcium deficiency


i have a 40 gallon reef tank with various lps, sps, and soft corals, and a crocea clam. it is a well established tank, but for a few months(ever since i got the clam and some xenia), i have not been able to keep the calcium level above 340. i have upped the dosage of kalkwasser to over 2 tbsp. per gallon and i've tried purple-up and liquid reactor, but nothing seems to work. i'm wondering if the tank may be overstocked. also i have been getting a lot of red slime algae. is that from an elevated water temp.? if you have any suggestions i would greatly appreciate any feedback. thank you.
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Old 06-24-2009, 07:30 AM   #2
ckusnierek
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340 really is not all that bad what is your alk?
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