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OK, back at this one last time....... Being relatively new to this Forum here most of you don't know that I've been in and around the Lighting Industry for over 20 years and can talk PAR, PUR, Lux, Lumens, CRI with the best of them and by no means would ever say that you cannot grow Apples to Zoanthids under Metal Halide or T5 Fluorescent lamps. Just trying to state facts on and voicing my opinion, knowledge and experience on the down-played LED's
This thread was/is suppose to be about which lights are best for Zoanthids to thrive under..... right ?
So lets start over and make a list of best options we have personally used (ie; spectrum, Kelvin, bulb layout etc...) in each of the three debated categories above. Once we get some census on a few in which majority agree with I'll edit the very first post to show our combined analysis on best two or three within each category..... agreed
Metal Halide:
T5 Fluorescent:
LED:
Cheers, Todd
Perhaps this would be a good way to start over? I'll contribute...
Best light for me was when I was using two Ushios 250W, 6.500K metal halides with 2 NO actinic tubes over a 55 gal tank, long ago. I keep zoas since 1995.
T5s are better to manage and more uniform. Saves some money with less electricity and still do a wonderful job. I have ATI Power Modules today and zoas are doing wonderful!!! But the best I've seen healthy/reproduction wise was definitely with MHs.
Grandis.