monos

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...

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...