Has anyone ever tried out used coffee grounds in their substrate, and how did it turn out? 16 qt pe dub tub. 7 quarts of sub. 3 qts of rye berry pe spawn. Sub was made w 300 gs of coco coir, 1 quart of verm, 1 quart of used coffee grounds. Started it on 04/01. Just put it to fruiting this morning. Havent cased yet. Looks soaking wet. Will this contam?
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MartianMonster555
Nice! Thanks for feedback. That interesting, 2 cups per 2 gallons of water. Yeah, this was a quart of coffee w 80 fl oz of water haha. We’ll see wht happens ... may try it out in my grain jars. Just curious ... it just looks so wet in my tub ...
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April 14, 2021
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