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36 Inch T5HO 6000K Midday Sun 39W by Giesemann

VHO Lamp Shipping rates apply to T5 lamps Giesemann T5 High Output lamps from Germany incorporate the most advanced fluorescent technology available. These lamps are exclusively distributed by Sunlight Supply, and we...

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Searched 36 Inch T5HO 6000K Midday Sun 39W by Giesemann in Reviews


good output, bad colors

Comments Many of these bulbs under 10000K rating have high PAR output, but bad colors for achieving fluorescence in corals. Similar PAR output (within 90%) can be achieved by bulbs in the 10000-12000K range, so the sacrifice of color is not justified for these yellow "sun" rated bulbs, especially if used by themselves. I ended up ditching all the 6kK bulbs personally, but I could see how some folks would want to use these in combination with other bulbs.

Liked about it Great PAR output, very reliable, and a long life.

Didn't like Nothing to dislike except the color, which is far too yellow in my opinion.

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By crvz
Jun 03, 2009
Last updated: May 17, 2010
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