Metal Halide bulbs (Mh) Grow lamp ... plants (indoor gardening) or animals (indoor aquariums). Perhaps the most important point to keep in mind is that, due to tolerances in the manufacturing process, color temperature can vary slightly from lamp to lamp, and the color properties of metal halide ...
http://www.rollitup.org/general-marijuana-growing/61948-metal-halide-bulbs-mh-grow.html
Effectively using your MH & HPS lights - All about light & distance ... from the sun. The plants put more energy into trichome and resin production to protect themselves from the harmful UV rays. Flowering under HPS will provide bigger yields, but flowering under metal halide ...
http://forum.grasscity.com/indoor-marijuana-growing/98471-effectively-using-your-mh-hps-lights-all-about-light-distance.html
Metal Halides in flowering... a better high? ... plants were lankier from the beginning. Variables: Distance from the lights is the same. Species is unknown, but all are grown from the same seed batch. Plants are probably a sativa-leaning hybrid. HPS plants were grown in 50% coco, 25% perlite, and 25% soil. Halide plant ...
https://www.icmag.com/ic/archive/index.php/t-47619.html
Ceramic Metal Halide (CMH) [Archive] - International Cannagraphic Magazine Forums ... metal halide ballast? Thanks, minds_I minds_I - You are going to need a Pulse Start Metal Halide ... distance will very. guess i was really looking for a minimum distance; like any closer to the plants and they will get light-bleached. currently my 250w HPS is about a hand distance from ... marijuana ...
https://www.icmag.com/ic/archive/index.php/t-72215-p-16.html
(700w cfL)How many cfls to replace a 1000w? ... distance away from the plants to avoid IR radiation damage. Type of lighting Average distance between light and plant tops Fluorescent - T5HO - any wattage 3cm to 10cm HPS 400w 30cm to 40cm HPS 600w 50cm to 60cm HPS 1000w 70cm to 80cm Distance ... such as mercury, metal halide or high pressure sodium ...
http://forum.grasscity.com/indoor-marijuana-growing/506113-700w-cfl-how-many-cfls-replace-1000w-3.html
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