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I concur with the T-5 recommendation...PCs are terrible!
gcarrol is quite correct. The way to compare LEDs is to compare spectrographs, and then compare efficiency and spectral output. FYI, a PAR meter...
We also have a 156W now with wide angle 120 degree honeycomb lenses. We have also swapped out 4 white diodes for 4 more blue diodes as of last...
Actually, a lot of the bluer MH bulbs have more PUR than some of the warmer color temperatures. It's all in the spectrograph! :) My fav MH bulbs...
I do prefer MH lights as you don't really have to replace the bulbs (the annual replacement is a myth if you purchase quality bulbs), if LED isn't an...
A simple, aquarium-specific look at PAR, with links to PUR and CRI info
Whoa, there. Our PR-156 and 156W fixtures are designed to replace 400w halides. Our PR-25 are in between a 70w and a 150w halide replacement. :)...
[outdated, see my 2nd post below]
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