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Some deficiency - need help!

Pepperwood
Pepperwoodstarted grow question 4y ago
After last watering I spotted some deficiency on leaves. Watering solution on 6.5-7 pH range, 22° Celsius. Lamp to plant distance 45-50 cm. All temps in normal range and humidity too. Plant almost end week 7, flowering week of 3. Any advice?
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Week 6
Leaves. Color - Yellow
Leaves. Color - Dark-brown
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Pepperwood
Pepperwoodanswered grow question 4y ago
Thx for answers guys. Last two watering I used pH balanced fresh water. What about phosphorus and potassium I used green house feeding bloom booster. I'm just waiting for results. But new damaged leaves doesn't appeared yet.
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Stoned_Skeletor
Stoned_Skeletoranswered grow question 4y ago
Ciao amico! Vedo gli steli molto scuri, e questo non è un bene. Essendo alla settima settimana la tua pianta ha bisogno di potassio e fosforo. Probabilmente se i gambi delle foglie e il tronco fossero rosse o viola, avrai bisogno di integrare più fosforo
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Coopmc
Coopmcanswered grow question 4y ago
https://growace.com/blogs/learning-center/how-to-fix-nutrient-lockout
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Coopmc
Coopmcanswered grow question 4y ago
https://www.botanicare.com/faqs/can-i-foliar-spray-with-cal-mag-plus/
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Coopmc
Coopmcanswered grow question 4y ago
Flush and clean water to remove nutrient lock up. Then I would do a foliage spray of mag Cal at 1 tsp a gallon to get the trace elements into the plant ASAP. Your PH should be 5.8-6.2
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Jhindlehydro
Jhindlehydroanswered grow question 4y ago
Funky nutrients. .. it started as tip burn then moved on . Hence why I stay with advanced nutrients base allways every grow every plant 15+ years now .
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