Light Burn with Heat Damage

Large brown patches on the upper canopy leaves directly under intense light. The cells have been destroyed by heat or excessive light intensity. Increase lamp distance immediately.

What usually causes it

• Lamp too close to canopy (check minimum distance for your wattage)
• Very high temperatures at canopy level (above 30 C)
• Combined heat + high PPFD

Related product categories

• Lighting
• Climate & Ventilation

Terms worth knowing

• PPFD (Photosynthetic Photon Flux Density)
• VPD (Vapour Pressure Deficit)

Walk the questions if you are not sure this is the match. The notes above are the same ones the tool ends on.