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Hey I for got to say the Sum Light guys incressed uf or micro ferrets on the cap to make the lamp burn briter

Once upon a time there was company know as Sun Light Supply which had this amazing lamp, burned like a 1500 w ran like 1000w. It was bullshit, we tested it and found that it used 12.5 amps (12.5x120v=1500w) Every body found out, that company is now called Sun, some thing I forgot . What I am...

All HPS produce 1.4 lumens per watt

Water cooled lights (pain in the ass to set up and understand) but work well . Its is possible to run 12 in a room and cool that rm with 24000 BTU's of cooling. That 12 would be # 12 1000w lamps producing 3400 of heat to total 40800 BTU's of heat. Plastic lenses should be kept under pressure...

Some plants will yeald out just fine with low levels of light - 400's - 600's while others will do a percentage better by using higher light levels. More power, more buds --- 4 x 6 no problem