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#1
09-02-2010, 03:46 PM
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My two cents: Light fixtures are expensive. What you've got is great. Use the extra $$ for the vortexes instead.
I spent the money on a whole house A/C and kept the WHOLE family comfortable and heat in the tank down. All I have is a small fan set along with my MH timer to keep my temp down to around 79F. But prior to installing the A/C, the temps did got up to around 80 to 82, just like yours. Ran like that for years, and no problems as far as I could tell. 
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#2
09-03-2010, 01:32 AM
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Thanks for your all respond
for my heat issue, I am using 4 fans over the main tank. During a hot temp day, my acro lost tisseu badly and they were barely made it. and the other day, I found aqua medic T-5 fixture and I never try only T-5 lighting system. Now I am borrowing current lighting system from my friend, so I have to get light fixture in the future anyway. so if choose T-5 what is a heat issue? If it is not improve then I can keep my friend's one or use my 250w MH back to the tank. Thanks again
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