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  1. aerorev

    2018 light efficiency ultimate battle

    First post in the forum. I’ve been growing for about 16 years mainly outdoor. Started indoor a couple years ago using 1000w’s HPS’s with magnetic ballasts. Later on I switched to 400w Phillips HPS with Lumatek electronic ballasts for efficiency. I’m seeing a lot of discussion and...
  2. N

    New Grow Set Up

    I will get some pics as I go but I could use some advice on how to set it up ( which tent to use which light in etc ) I have a 4 X 4 Opolite tent and a 5 x 5 Hydro Planet. Lights are a ViparSpectra PAR 700 G8 LED 90 watt 29471 REd Only ( flowering ) 315 Watt Ceramic Metal Halide...
  3. S

    CMH vs MH question

    Is the square footage roughly the same for ceramic metal halide and normal metal halide? I'm thinking about switching my flowering room over to CMH from HPS/MH. I am currently running 3 600 watt HPS in a 6×12 space and getting just over 2 lbs of finished product. I have heard that CMH use 1/2...
  4. cnile

    Solving limited circuits - Limited power for room

    i am begining to think about something other than high pressure sodium and metal halide because i have discovered there is only like 1 cicuit where i am of 120v/15a. has anyone used an led in place of a 150 watt metal halide for mothers? how did that work? how many plants could you fit under...