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XM 20K Double End Bulb

  • love the awesome color By joshua on 2/27/14

    Coras responded to the new bulbs in a few days. Great color and super bright! Only issue is the ceramic end peices are super fragile. 1was broke when i got the bulb and the other cracked during instilation
  • Very consistent and reliable By Bob on 9/21/13

    I am using the 250 watt version with a Dual Wave M80 HQI ballast in Lumen Max Elite pendants. On my ballast, these bulbs are a pure white with a very slight icy tone ( I use dimmable royal blue LED's to add more blue). My last pair of bulbs (the same exact XM's) were over my tank for just over two years at 10 hours per day. I only replaced them because I noticed some cyanobacteria starting to grow.

    The new pair has been in use for two weeks now, so the initial burn in period should be over. Both bulbs are the same color and brightness. I am fully satisfied, and also confident that these bulbs will serve my critters well.
  • Nice blue bulbs By Craig on 12/5/12

    Just received the 20K 250W love the color and bulk reef supply has very quick shipping.
  • Beautiful 20,000K bulbs! By Matt on 7/4/12

    If you're not running an HQI rig, these might be the very best looking 20,000K bulbs you can get - I really like their color.
  • Doesn't get much better By Robert on 5/16/12

    I have two of these over my 50 gallon reef, and the light and color are perfect. The colors of my fish and corals POP w/o actinic supplementation. They are not too blue when run with an HQI ballast.
  • Doesn't get much better By Robert on 5/16/12

    I have two of these over my 50 gallon reef, and the light and color are perfect. The colors of my fish and corals POP w/o actinic supplementation. They are not too blue when run with an HQI ballast.
  • Fantastic Bulb By Philip on 12/6/11

    Love this bulb, replaced the stock bulb on a Biocube HQI with this and wow! What a difference! Love the color and how it makes the corals pop. I will be buying another one shorty to use for my frag tank!
  • Great bulb By Gary on 5/13/11

    Great bulb, not too much blue not too little.

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