Brown leaves

G

griz10

Active Member
Five weeks into flowering. Five Gallon pot w/ Ocean Forest soil; Indoors; Started seeing browning during this past week. Cause? solution? Using Fox Farm nutrients (Tiger Bloom; Grow Big, etc)
 

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A couple questions: Are you giving them any calmag (Kinda looks like it could be a Ca deficiency)? Have you done a flush on the soil to leach out the salts from the fertilizer??
 
Have not used calmag and haven’t flushed … yet … although thinking that might be the next step. Possible build up in soil as I do use ph down In my water?
 
griz10 said:
Have not used calmag and haven’t flushed … yet … although thinking that might be the next step. Possible build up in soil as I do use ph down In my water?
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PH up (or down) really doesn't affect the salt build-up, it's a product of the synthetic nutes. If I was you, I'd give them a good flush, water three times the volume of the pot, this will re-set the soil, then go back to feeding with calmag. Unfortunately, the affected leaves will not recover, but hopefully they won't get worse.
 
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