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Old 10-20-2009, 05:17 PM   #11
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Well, ok heres my issue: I dont think my PC lighting is making the higher-light requirement coral/clam happy. The coral themselves seem to be ok, but the color seems to become more blah over time from when I got them home from the store. My old tank, which had the 1030w MH system on it (running @ 7w/g) didnt seem to have that problem. I assume that was thanks to the MH which has better light output than PC, even at the same wattage.

My budget is $250 at the very most, preferably $200, so the two 70w vipers are out. Would I be better off at looking for a T5 HO system that puts out like... 130-150ish watts? And if so, is there any hope of finding a system that isnt a fortune?
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Old 10-20-2009, 05:21 PM   #12
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for example...

Solar T-5 Aquarium Hood 30" 6x24 Watts - eBay (item 360192870821 end time Oct-25-09 18:49:33 PDT)

but cheaper. I would think I should be able to find a similar system that doesnt cost $100 more than a HQI system lol

while we're on the subject, just to confirm, T5 is a much higher quality light than PC, correct?
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Old 10-20-2009, 05:31 PM   #13
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Definitely more intensity. As far as intensity it goes PC`s---> VHO`s ---->
T5`s ------> MH`s. It`s not about WPG anymore. That has become outdated. I only use it as a broad guideline for explaining to new folks. It`s all about intensity and par now. That`s why I`m trying to tell you about going too bright because it`s not about WPG but intensity. I hope this helps.
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Old 10-20-2009, 05:35 PM   #14
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Ok, yes I see from googling around this 'PAR value' thing. Interesting considering I the last time I did any sort of intense research for lighting was only about two years ago.

So I suppose a 6x24 T5 system would do nicely? Thats 144w total.
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Old 10-20-2009, 05:38 PM   #15
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IMO I would think you`ll be OK.
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Old 10-21-2009, 02:27 PM   #16
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Question:

What would the PAR percentage increase be going from 130watt PC system to a 96watt T5 HO system? Are we talking like... 10%? 50%? -25%?

What about a 144watt T5 HO system?
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