How To Use Progressive Web App aka PWA On 420 Magazine Forum
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Can't seem to get to your pictures.
I had something like what you're describing happen recently, so my question is do you mist/water the actual plants not just the soil? Because apparently a bead of water can act as a lens, magnifying your light source and causing burns which turn into yellowish dead spots on your plant. Overall you don't REALLY have to trim it off, although eventually it may kill off the leaf. A simple snip with a sharp pair of scissors will take off the dead spot and leave the rest of the leaf alive and photosynthesizing.