monos

  1. grow_fetishist

    Nutrients Canna Mono Calcium contains 5.5% Nitrogen

    This is not about the CalMag Agent which has N on the label but Mono Calcium. Having only found the same question being asked decades ago: "Does Canna Mono Calcium contain N?", I called them to ask. Got a call back from the person I had spoken too. Their research department confirmed that it...
  2. L0wbob2017

    Lighting DIY watercooled photosynthetic-research COB-LED-Lamp completed build, tell me what u think

    Hello all thread-viewers, my idea was to build a DIY-LED with COB's and make it kinda special. So i decided to watercool the COB's which some of u alrdy guessed, get pretty warm. Since the COB's are more efficient when cooled better, watercooling was my only option to go. These COB's are all...
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