Something wrong with your plants? Start here. Our problem solver covers every common hydroponics issue with step-by-step diagnosis, causes, and fixes.

🍂 Leaf & Plant Symptoms

🟡 Yellow Leaves
Nitrogen deficiency, iron lockout, pH out of range, or root problems
Diagnose →
🟤 Brown Tips / Burn
Nutrient burn from high EC, potassium excess, or tip burn from calcium
Diagnose →
🥀 Wilting Plants
Root rot, oxygen deficiency, pump failure, high temperature stress
Diagnose →

🧪 Nutrient & Water Problems

⚗️ Nutrient Lockout
pH out of range blocks absorption — most common cause of deficiencies
Fix It →
📈 High EC / Overfeeding
Salt stress, brown tips, stunted growth — dilute and flush reservoir
Fix It →
📉 pH Drift
pH rising or falling in reservoir — causes, prevention, and stabilisation
Fix It →

🦠 Root, Pest & Disease Problems

🦠 Root Rot
Brown slimy roots, Pythium, low oxygen — emergency treatment guide
Emergency Fix →
🌿 Algae in System
Green slime in reservoir or channels — light leak, prevention, removal
Remove It →
🦟 Fungus Gnats / Whitefly
Common indoor pests — identification, life cycle, and organic control
Control Them →

🔍 Quick Diagnosis by Nutrient Deficiency

SymptomMost Likely DeficiencyFirst Check
Yellowing lower leavesNitrogen (N)EC too low
Purple stems / dark leavesPhosphorus (P)pH too low or temp too cold
Brown leaf edgesPotassium (K)Check EC and pH 6.0–6.5
Tip burn on lettuceCalcium (Ca)Airflow and solution movement
Yellow between veins (young leaves)Iron (Fe)pH above 7.0 — lower it
Yellow between veins (old leaves)Magnesium (Mg)Check CalMag levels

🔍 Use Plant Doctor Tool ⚗️ Nutrient Guides