Nitro def. at 4 weeks into flowering

SmokieMcPot

Active Member
This is my first grow. I am 4 weeks into flowering and some of the upper older leaves are turning yellow. I have been using peters 10-30-20 for 3 weeks at half strength. Looks like nitro def. Its not burn. I am using soil. Its bagweed seeds but seems to be mostly indica.

My question is...... Is this common halfway through flowering and should I keep using the 10-30-20 or........ should I give it a shot of high nitro ferterlizer one time then switch back to 10-30-20. Or mabey even start using the 10-30-20 at full strength

basically should I leave it alone or try and fix it this late in flowering.
 

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