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I just got this light meter and I tested it on this plant inside and… | Equipment & Materials | Planta 커뮤니티

Claire Jones

I just got this light meter and I tested it on this plant inside and even in my sunroom and I can’t figure it out. Point directly at the grow light the numbers are high but pointing towards the plant, right under the light, the numbers are so low. I feel like this isn’t right? It’s not really even reading anything in my sunroom. I’m not sure if the settings are just wrong or if I have a faulty meter.

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  1. YinDeezy

    The light meter (white globe part) needs to be facing the primary light source at leaf level. Angle the meter in the same orientation that the leaf is facing 🙂

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