Gels cling to cut stems better than powders and seal the wound against air, which matters when humidity is hard to hold steady. Concentration varies between products, and the cloning supply comparisons at https://calmcbdseeds.com note which formulations suit woodier hemp stems. Willow water works as a mild natural alternative. Dipping directly into the bottle contaminates the whole container, so decant a small amount each time.
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