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#1
07-10-2005, 07:59 PM
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Switching from PC to MH
Hey everybody. It seems one of the ballasts on my 2x96 watt PC fixture has had the biscuit. I have a 250 watt MH retrofit kit that I can put in it's place. How should I go about aclimating the critters to the change in lights? I should mention the tank is a 33 gallon. Thanks for your time.
Scott
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"It's evil, it's diabolical, it's LEMON scented!!!!!" 
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#2
07-10-2005, 08:46 PM
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I used multiple layers of "screen door" screen I started 8 thick and took a layer off every 5 days slowly increasing the intensity of the light entering the tank.... worked for me going from 260W PC (130W actinic/10K) to 760W MH and PC (500W DE MH at 10K and 260W actinic PC)
JME other have decreased their photo period with MH there was a thread just recently http://www.canreef.com/phpBB2/viewtopic.php?t=17644 There it is HTH
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#3
07-10-2005, 09:24 PM
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I agree with Vanreefer, but I don't think you have to wait 5 days between screen removale. I read that you can remove one every other day.
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Marty 50g reef, bubble king skimmer,20g sump,zeovit system, PM cal reactor
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