The Planted Tank Forum - View Single Post - PAR vs Distance, T5, T12, PC - New Chart
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post #11 of (permalink) Old 04-07-2010, 09:08 PM Thread Starter
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Join Date: Dec 2005
Location: Sacramento, CA
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Originally Posted by GTR View Post
So if you had a decent reflector for T-12 what would you guess the increase would be.

Not sure there's a valid reason to use them anymore but having used them for 25 years it's like losing an old friend. lol

I think you might gain another 30-40% if you used a somewhat parabolic, highly polished aluminum (MIRO 4) reflector, that was big enough for that size bulb. That would barely be a significant increase.

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