Substrate Science
16 articles
Reusing Indoor Soil: A Protocol for Sterilization and Re-Amending
Reusing unsterilized potting soil in an indoor grow lab risks introducing dormant pathogens, root-knot nematodes, and…
Peat-Free Gardening: The Best Sustainable Substrates for 2026
Switching an indoor grow room to a peat-free substrate eliminates the environmental toll of harvesting peat…
The Best Potting Mix for Indoor Containers: Why “Garden Soil” Kills Plants
Bringing outdoor garden soil inside to grow container crops like basil, tomatoes, or peppers triggers rapid…
Substrate Science and Root-Zone Performance: Engineering the Indoor Growing Medium
This guide is part of the master resource: The Indoor Grow Lab: A Science-Backed Guide to…