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- XM 20K Single End Bulb
4 Reward Points$4.99
XM250w, dimmer than Radium, only slightly bluer By vanisher on 7/3/2013vanisher would recommend this product to a friendI purchased this bulb to replace my radium as it was burning my SPS under my lumenmax elite reflector.
So far it's dimmer and the corals seem to be coming back. My goal was to get slightly bluer than the radium so I would not have to supplement actinic.
Unfortunately I think I will still have to supplement, but for now it's meeting my requirements.
Exactly what i was looking for By Holyreefer on 2/16/2013Holyreefer would recommend this product to a friendI switched about 5 years ago to 20k from 10k
10k was way too yellow for my liking
great color By Thomas on 1/8/2013Thomas would recommend this product to a friendI have two of these on one of my tanks and they are great. perfect coloring of my corals and doesnt emit to much heat. makes the coral colors pop out. and these bulbs are a decent price for what you get.
Great Bulb By Steve on 5/29/2012Steve would recommend this product to a friendI have had this bulb over my 50 gal breeder tank with great results. My SPS is growing at a good rate as well as my softies. The tank look great.
Excellent Bulb for the money By John on 3/2/2012John would recommend this product to a friendGreat colors and great growth from this bulb with a nice blue tint to it.
Great Bulbs By UVAThomas on 1/16/2012UVAThomas would recommend this product to a friendI love these bulbs. They bring out the colors in all my corals and fish. They are also a great value. The best price I have found anywhere in the web.
Excellent Choice By 1leftygolfer on 10/22/20111leftygolfer would recommend this product to a friendI replaced a couple of 14K "U" branded bulbs which I had been using for the past 8 months. Switched over several weeks ago. Several differences: 1. Of course, a much bluer tint which makes the colors pop. We prefer the color rendering. 2. Bulbs are longer than the previous brand, which for our hood/reflector doesn't really matter, but if you have confine spacing, might want to verify. 3. Surprisingly, these bulbs run cooler than the "U" brand. I haven't actually measured the temp differences, but when cleaning my tank I noticed the significant lower temp emitting from the bulbs. So, far I can't complain, but ultimately coral growth will be the determining factor of success.
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XM bulbs provide the best combination of color, PAR values and price which makes them the best value available. The 10,000K and 20,000K bulbs are particularly good performers.
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