MH Bulbs

[mojo]

Originally Posted by RobinsonFam1

milwaukee has a LUX meter for around $65.00......im thinking of buying it just to see where certain bulb ratings actually stand.....

You can get them on eBay for about $30 as well. But I've found them to only be marginally useful when determining what's actually good for your corals...

[amuruges]

Originally Posted by Pillz

I was looking through sanjays site the other day and noticed That the bulb im using doesnt give out the best par... So im looking to go to a different bulb. I noticed that the geisman 13k has a really good par. Does anyone use them? Or seen one on a tank. whats the color like? I dont have any supplements so its gotta be pretty blue or atleast not yellow.

SE or DE? DE Geisemann has a 14K coral bulb that shows at 126ppfd on sanjay's site. I haven't fired it yet, I can tell you after the next changeout.

[RobinsonFam1]

thanks for the heads up Chris!

[robsmith32]

lux though is what would be human visible if i'm remembering correctly, doesn't really portray the 400 to 700nm range.
I'd be curious to what i'm reading now, I know its a LOT brighter, since i put the 150 iwasaki de 20 aqua2 in my sunpod.. the 14k just didn't get it for me. And in the 18 days i've actually seen more growth than the 2 months with the 14k that came in it. I only run the halide for couple hours a day. rest of day is a 36" coralife s/w aqualight t5, normal t5's.
To me the color is the same from the 10k+03 actinic t5 and the iwasaki that i'm using. Of course, i'm dichromatically challenged. So far I really like it.