Leaf temp over 83F hurts the plants. Usually that's an air temp of 85F - but it depends on if you're growing using HID lighting or LED. If you're growing with HID, going over 81F air temp can hurt the plant
@chriscovey The HLG 100 V2? You should be able to run 85F then max. Make sure your temperature and humidity monitor are hung at canopy level so you know what your plants are feeling
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HLG 500 r spec
Leaf temp over 83F hurts the plants. Usually that's an air temp of 85F - but it depends on if you're growing using HID lighting or LED. If you're growing with HID, going over 81F air temp can hurt the plant