I have the opportunity to get my hands on a sizable amount of weed-free worm castings, well over 100lbs if I desire, and I was curious if anyone has ever used a casting/perlite-only mix to grow their plants?

I always have some castings on hand to add to my soil mix, but I've never tried substituting it alone for all other organic matter. Would this be too "hot" even for plants well into veg? If anyone has ever done this, please let me know how it worked out for you. Include, if possible, any potential problems with pH, what fertilizers (if any) you used, whether it made any noticeable differences in your final weight, etc. Anything you can tell me about it will influence whether or not I'm willing to give it a shot.

If it makes any difference, the strain I'm growing right now is a Sativa-dominant AK-47. And so far, it seems to be pretty tolerant of high Nitrogen fertilizers.

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