The Hidden Biofilm Destroying Your Semi-Hydro Cuttings: How to Sterilize LECA and Save Your Plants
The white coating on recycled LECA balls isn’t harmless mineral buildup—it’s a bacterial biofilm that attacks fresh cuttings at their most vulnerable stage. Standard rinsing can’t remove it, and most growers don’t realize they’re transferring their cuttings directly into a contaminated environment. Discover the sterilization methods that actually work and the protocols that protect your semi-hydro setup.