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Deficiency problem!

Breezzyyyy13
Breezzyyyy13started grow question 4 years ago
Something is going on with my auto flowers leaves. I feed them once a week and it was feeding time she had 3ml of budcandy and 3 ml of bigbud 2ml- micro 6ml- grow 6 ml- flower and gal of water but only fed half a gal which is what her soil could hold. Anyone know why brown spots?
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Leaves. Other
Feeding. Deficiences
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Mr_Cannab1sir
Mr_Cannab1siranswered grow question 4 years ago
I've had this problem a number of times and it's a pain in the fuckin arse mate. Find out if your water is hard or soft. Hard is full of calcium and reads 7+ ph, soft is devoid of any minerals. Your water company will tell you depending on what country you live in, quick google. Mine is hard, so when I added magne-cal it was causing the same issue you're having. Not sure about all that feed, can't remember what's been said already but you won't need grow nute now. Soil naturally ph's water and nutes usually get ph to 6.5 in my experience. I ph my water now, usually by the time I've added nutes it goes to 6.3-6.8. However, when I add molasses it drops a bollock and goes down to 4.6 ish. So, check the water, if it's hard then flush the plant and give it a light feed in the last 2 ltrs, just root stim type stuff and flower feed at about 3 ml/ ltr. If it's soft it'll probably need cal. You're probably gonna notice it go south real quick regards the amount of black/brown spots but don't panic too much. Just check that water fella, it's the root of the problem one way or another IMO
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Weezy90
Weezy90answered grow question 4 years ago
Hi ! Al deze voedingsstoffen tegelijk geven, maar 1 keer per week is teve voor de plant. Je verdeelt het beter. Het is ook zo dat je de Groei en de Micro niet meer nodig hebt, deze 2 zijn er om de vegetatieve fase te ondersteunen en daar ben je al voorbij. Deze mag je dus stoppen. Dit zal al een groot verschil gaan maken🙂 Je plant is uit balans aan het geraken. Intussen kan je een beetje CalMag toevoegen en blijf je ph controleren. Ik hoop dat ik kon helpen. Veel succes!🌱
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Fruitgrower
Fruitgroweranswered grow question 4 years ago
It looks like the beginning of a magnesium deficiency. Try adding some cal mag to your feed. Be careful adding so many nutrients though, this can cause some of the nutrients to lock out and make sure you use only water some days instead of food. 🌱👍
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Roberts
Robertsanswered grow question 4 years ago
Looks like a potassium deficiency. I would check ph level of substrate. I would use a calibrated ph too to measure run off. Should always have a run off with that many chemicals going in. 20 to 30 percent. Since you only half the amount i image when you were doing full amounts it was keeping Ph in range. Half didn't cut it. When feeding strong it effects ph greatly as well. Good luck and happy growing 🌲🌲🌲👊
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