🏎️ Optimizing Soil: Fermented Biochar, Heavy Metals, Micronutrients & More, Ft. Mark from Green Gro

Mark from GreenGro joins the show for an incredible episode about taking a GOOD soil grow to a GREAT soil grow. Mark talks about the lack of minerals in most soil mixes, and the abundance of filler. He discusses the process of applying fermented biochar, and how people misuse the input. Mark also gives tips on heavy metal testing, water quality, and phosphorous fixing microbes. Join GrowCast Membership TODAY! The best community in cultivation. Personal 24/7 garden support, Members Only content and discounts, and the Grand Pheno Hunt! www.growcast.com/membership  Code GROWCAST15 now works with grow KITS from AC Infinity! www.acinfinity.com use promo code GROWCAST15 for 15% off the BEST grow fans in the game, plus tents, pots, scissors, LED lights, and more! 20% off www.rootedleaf.com with code GROWCAST sitewide!