I just got some orca to try out when you mentioned it a couple weeks back. Are you using 1ml/gal with clonex?
Mycorrhizae???. They all seem to work OK. I like wildroots the best so far its a powder. These are all on the pricey side. I've not tried any Liquid Mycorrhizae. The orca also has 16 species in its mix. I got some of that foop dip which has Mycorrhizae in it to try with rapid rooters. I stuck 5 HK a few days ago. Still no roots on HK in the mister,. All are still alive, some after 4 weeks. I normally use Clonex dip with RR. I dont do these often. My mister has never not produced roots on cuts until this HK.
I got some Hormex Rooting Hormone Powder #16 coming. Its made for difficult to root plants. Hemp is listed under this.
https://www.amazon.com/gp/product/B01LZO27DQ/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
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