Brown spots and leaf edges curling up

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NotThaddeus

Well-Known Member
Howdy folk, I've got 4 ladies in a dwc setup, I'm feeding them GH flora series nutes and calmag at full strength, ph is kept between 5.5 and 6.5, Mars hydro 150w led grow light, and I have been seeing brown spots creeping up, and today I noticed some of the hairs on the bud were starting to look burnt. Temp is always in the low 70's, humidity is in the 30's. Any ideas?
 

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NotThaddeus

Well-Known Member
Lol yea it is kinda hard to tell but the water level is about an inch below the net pots, and I'm giving 1.25ml calmag per gallon, same amount as florabloom nutrients.
 
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