Re: Too much light
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Originally Posted by danny zubot
My corals did fade a bit after upgrading to a 400 watt 10K bulb from a 250 watt 14K bulb. I slowly increased the photo period over 3 weeks until a full 12 hours was achieved. Its been over a month now and some of my corals are still looking a bit washed in color, is this normal? All levels are good, but my calcium is consistantly on the lower side; around 330ppm regardless of how much I buffer with kalk etc. (I suspect my test kit is bad)
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do a Mg test and see if you have a proper level, your Ca problems are sounding like the effect of a low Mg level.
Steve
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