Thatoneguy Posted May 29, 2018 Share Posted May 29, 2018 Hello everyone. Hope all are well. Im having a problem and i am really getting annoyed. Im growing in coco. Ph 5.5 ec is 0.8 to 1.2. Temps are 24 to 26 degrees humidity 55. 5l smart pots. Doing a SOG style got 16 plants per 1.2 msq. They in 2.4m x 1.2. Under 2 1000w hps bulbs My ph is 9.1. But i adjust it once ive added the nutrients. The nutrients im using are the greenhouse seed company nutrients So im not sure if this is nute burn or calmag def or toxidity or something but maybe someone can help me. Please see my pics of some of the leaves also there is some yellowing on new growth but plants seem healthy for now. Quote Link to comment Share on other sites More sharing options...
Thatoneguy Posted May 29, 2018 Author Share Posted May 29, 2018 And there are no spidermites or any bugs under or on the leaves Quote Link to comment Share on other sites More sharing options...
Justin Hemp Posted May 29, 2018 Share Posted May 29, 2018 Hey bud ,hope you're well. It's been a while. How old are the plants now and at what point did you notice the problem? I take it it's all the plants? Sent from my ALE-L02 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Thatoneguy Posted May 29, 2018 Author Share Posted May 29, 2018 Its now in flower but noticed it coming on a week before flip. Its only one strain. The others are haning. Calcium toxidity? Quote Link to comment Share on other sites More sharing options...
Budwizer Posted May 29, 2018 Share Posted May 29, 2018 Ca deficiency Coco PH a little low- why aren’t you following the GHS powderfeed recommendations? You should be running 5.7 Quote Link to comment Share on other sites More sharing options...
Justin Hemp Posted May 30, 2018 Share Posted May 30, 2018 Just something I read: Member Coco is also known for Potassium build up which can inhibit the uptake of Calcium and Magnesium among other things. 3rd week of flower you may want to leach your medium and reset if you havent already...... Sent from my ALE-L02 using Tapatalk Quote Link to comment Share on other sites More sharing options...
420SA Posted May 30, 2018 Share Posted May 30, 2018 Looks like a Ca/mag def related issue I would do what JH says and give that coco a solid flush. PH is probably swinging Quote Link to comment Share on other sites More sharing options...
Thatoneguy Posted May 30, 2018 Author Share Posted May 30, 2018 Thanks for the help. Flushed them and ph run off is 5.8 and e. C is now 1.0 after flushing then feeding. They look better already Quote Link to comment Share on other sites More sharing options...
Justin Hemp Posted May 31, 2018 Share Posted May 31, 2018 Good news bud, hey don't be a stranger. Some good things happening soon. Sent from my ALE-L02 using Tapatalk Quote Link to comment Share on other sites More sharing options...
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