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Old 08-13-2011, 04:52 AM
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Join Date: Apr 2009
Location: Calgary, AB
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Quote:
Originally Posted by Cugio View Post
I just picked up a Hanna phosphate digital tester from Dave (concept aquatics) and tested my water. It is at 0.049 ppm. Should I be concerned? I only have LPS in the tank and would ideally like to move to SPS in the future. Tank has been up for almost a year and been running on Calgary tap water all this time. No algae issues at all except for the typical build up on the glass.
The phosphates likely did not come from the tap water. Try checking tap water for phosphates. It'll probably read zero. At least I read zero when I tested tap water for phosphates a few months ago.

Your phosphates are probably being introduced through fish food. If phosphates are a concern to you try running some gfo (granulated ferric oxide) in a reactor.
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