KC Brains Sweet Dreams grow journal by Bobby1115

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DabCrabcommentedweek 46 years ago

Hmmm, thats a tough one. Looking at the nutrients and ratios you have I'm thinking that you may have a severe Magnesium/Manganese deficiency with a bit of a calcium deficiency. I could be entirely wrong because I'm not there to look over everything thats going on but judging from those spots thats my take on the issue. It could also be Potassium but judging from the nutrients I don't think thats the case. I would recommend flushing the soil and then feeding her some Cal-Mag Plus or any other calcium and magnesium supplement. She should bounce right back and after some new growth develops I'd most likely remove the afflicted areas of leaves that don't heal quickly. I hope this helps buddy :D

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DabCrabcommented6 years ago

@Bobby1115, If you ever need anything buddy don't hesitate to PM me or even tag me in any post. I'm always happy to help with anything I can. Cheers buddy and happy growing 😎

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Bobby1115commented6 years ago

@DabCrab, I think so too… but thanks much… and any an all input is always appreciated 💫

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DabCrabcommented6 years ago

@Bobby1115, That should work out perfectly! I think you are doing fantastic buddy and thanks for letting me help out in any way if I did. I can't wait to see them bounce back in a few days. Best wishes buddy. Cheers!

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JUNGLE_B4RNScommentedweek 46 years ago

Definitely Mag deficiency ☝️ Looking at your Nutrients and feeding. You should be at 4 ml/l of A in week 4. There’s only 0.9 % of Mag in your part A. Giving only 2 ml/l you’re giving your plants 0.45 % of Mag ... Part A + Part B + B 52 makes a N-P-K 7-3-13 Ca Mg 3.5-1 at full strength. Which is a good ratio for a Vegging plant .

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Bobby1115commented6 years ago

@JUNGLE_B4RNS, yes, that’s pretty much exactly how the “spot browning” progresses occurs except the yellowing seems to be the last stage. So I believe Magnesium is a mobile element an responsible for chlorophyll production; phosphorus mobility; iron usage ; an finally fruit maturing … but bottom line- the new leaf growth seems already to be without an browning so pretty sure upping the nutes did the trick and/or the extra Cal /mag too!! But thanks again and yes DWC is amazing!! Super fast growth -just gotta stay on all the parameters – pH, EC level etc. An my new variable which is the LED and finding that perfect distance to the canopy . Burnt out the last grow being way too close! But live an learn....Cheers

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JUNGLE_B4RNScommented6 years ago

@Bobby1115, you’re growing in hydro , it’s the fastest system. The first symptom has started by the petiol , where the stem meet the leave , starting getting purple . Then it spreads to the stem, on the top but not under ( as the top is facing the light ). Then the leaves start to get some random yellowing and finally the brown spots ... Mg deficiency is the first deficiency. Magnesium is the central molecule in the chlorophyll ion ang gets used up in the photosynthesis process.

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Bobby1115commented6 years ago

@JUNGLE_B4RNS, thanks for the comment and breaking it down!! Unfortunately I’m still at the seedlings stage with nutes an it’s time to up um (while back actually). Definitely agree and so I did a quick flushed to start fresh and going to work up to the 4 ml/l slow. Just upped it to 3ml/l only because it’s still using the same reservoir that the AK-47’s are using and they seem okay-(zero browning and look healthy) without nite burn. Both plants are praying to the LED nicely. So once there’re separated (and seeing how they all react to the 3ml/l) think I’ll creep up slowly on the nutes and up to the 4ml’s if needed. But what you’ve said makes a lot of sense so thanks again and lookin forward to no more brown. “The more you know” 🌈

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