yellow leaf tips/spots - help!

  • Thread starter TheGreenMD
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TheGreenMD

TheGreenMD

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Hello all! Thank you in advance!

I'm running Pancakes by aficionado in a living soil coots mix in a 3x3 w/ 2 10 gals next to it. i amend soil after each run and top dress a few times during runs with a coots-ish amendment mix. Got HLG350.

I'm near switching to flower but 2 of the plants are a little droopy and all the plants have occasional leaves w/ yellow tips and some with yellow spots on the leaf surface. i've looked for pests and can't find any, tried increasing/decreasing watering and doesn't seem to help, and raised the light all the way up and turned the power down a bit to see if it was light burn but that doesn't seem to help either. My temps are between 68 and 76 and humidity around 50%. I'm thinking it might be a nutrient problem? I've never had my soil tested but it's probably time now. But that'll be too late for the current run - i've gotta get these girls in better shape ASAP so i can flower or else they're gonna get too big for my little space.

Any ideas on what's going on? I don't want to go into flower with a brewing problem...

Thanks!!!!
 
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E

Edinburg

487
93
Ph could be off, over feeding possible, or light to low.
 
Grower1974

Grower1974

172
63
A little yellow on the tips, is usually nutrients being near max the plant can use.
 
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