Evidence photo protocol for remote/self diagnosis—meta troubleshooting over single-disease articles.
Clear root dams, verify slope, and protect NFT flow before plants wilt.
Scout axils on rosemary and sage; isolate before colonies spread.
Prevent tank slime with lightproofing, oxygen, and mechanical cleaning.
Bleached tops under LEDs: measure PPFD before flushing nutrients.
Recover fruit set with climate, pollen transfer, and balanced feeding.
Stop split skins with steadier EC, irrigation, and ripening discipline.
True downy mildew on hydro greens: symptoms, wetness control, and restarts.
Gray mold ID, humidity control, and sanitation for dense indoor canopies.
Fix watery leaf blisters by improving VPD and airflow—not fungicides.