Cheapest price on a pound of Maxicrop soluble kelp powder that I’ve found, $20 shipped with the 20% off first time order code for email signup, bunch of other good things on there and the shipping wasn’t too bad on a cart I put together with 36# of dry ferts it was $36 to New England but I imagine that $8 might hold for a few more small items. I’ve been using the SEA-K sample from Greenleaf that comes with the Mega Crop One-Part sample, seems pretty good but Maxi is the standard AFAIK:
