Just want to add my experience with T5 and Crocea Clams. I switched out my dual 150W DE MH lights 2 months ago and replaced it with a nice 5x39W T5 fixture in my 38G tank. I first lost my oldest (approx 6 years) Vietnam Crocea a couple of weeks ago. This week, I lost both of my Ultra Clams (approx 4 years). So sad. Not much has changed in the past 2 months in my tank other than the lighting. All other livestock are well and thriving.
Last edited by Samw; 08-31-2009 at 11:17 PM.
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