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    Rock wool sources

    Any input on good rock wool sources? Any brands to avoid, brands to seek? Best priced source? Thx for help.
    If you bend you will be less likely to break.

    #2
    I like the Gordon brand rockwool cubes. I found a cheaper brand once, but the medium crumbled in my hand when I tried to remove it from the package. So I just stick with Gordon now days.
    4x4 600w HID empty for summer
    3x3 400w HID with Bruce Banner and Skywalker Kush
    2x2 65w Quantum Board LED with 4 mother strains
    running all simultaneously for a perpetual harvests.
    https://forum.growweedeasy.com/forum...hash-adventure

    Comment


    • homegrown
      homegrown commented
      Editing a comment
      hey Toker1, Are the rockwool cubes the same as rockwool insulation? without the compression into blocks?(are they treated with something) I'v seen them in the grow store and it looks exactly like my garage insulation. Maybe i'll pull out a chunk and see if i can start a seed in it...

    • Toker1
      Toker1 commented
      Editing a comment
      No, I believe the insulation is treated chemically. For example, fire proofing is important for insulation, but will reek havoc on plant roots. I’m not an expert, this is just my best guess.

    • homegrown
      homegrown commented
      Editing a comment
      fireproof weed lol. that explains the joints that wont stay lit...

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