Top of the top grow family. I have two plants one has a little bit more yellowing going on that the other. Hopefully my pics will help those of you who read this kinda help me diagnose them but I’ve been in a few discord servers trying to get help and from what I’ve researched and one other grower said it seems to be magnesium. I plan to flush them today and make a foliar spray containing water with a ph of 6-6.5 and get things sorted out. But i still wanted to reach out in a forum or something to be for sure. Im in a 2x2 living soil (sub cools recipe) i have two small fans circulating air and a hlg 100r spec until i can get the 200r and i will be upgrading tents by the summer to a 5x5. The pic with mag and phosphorus is what i used to compare the leaves. I also know that I wasn’t watering until runoff came out so i know i have to fix my watering habits as well. Hopefully you guys can help me out i really want this grow to make it to harvest ive had trouble the first two attempts but this grow has been flourishing until now. Happy growing hopefully i can get some help in the right direction.
@hotboyvert Welcome to Percys man, could you upload some pics here so we can see mate?
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Welcome to Percy’s mate.
Here’s the pictures. They were uploaded to the server but not attached to the post. I took the liberty of blurring the hands as the fingerprints were high def and could be a security risk.
It looks like these are being over fed and could be experiencing lockout.
You has a couple of observations on one of the pictures. The red on the petioles is commonly mistaken as a phosphorus deficiency but is actually “sunburn” from the high intensity led lights it’s under. The areas you marked as magnesium deficiency are most likely due to the lockout issues. What are you feeding this lady, how much, and how often. All this can be fixed.
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@monkeydo i was already under the impression i needed to flush due to a buddy telling me i might be facing ph lockout just been waiting on them to dry out so i could. I’ve never flushed before but i know its mostly done towards harvest so im kinda nervous cause I don’t want too screw this up. i ph’d the soil and it came out around 6-6.5 as well from runoff
@hotboyvert that’s some really hot soil you have. First I’d stop the recharge for the time being. There’s plenty of nutrients in your soil by the looks of your plants. Next bump your Ph to 6.5-7.0 for watering focusing closer to 6.5 if possible. Your soil just appears to be really hot right now and it’s going to take time for it to settle but have you checked the Ph of the soil. Sometimes if that’s out of range and can cause lockouts. All the nutrients are dependent on each other and if one gets too high it drags the availability of others down. This chart shows how each nutrient influences other nutrients in cannabis. Sometimes one can lock out others and sometimes one can stimulate uptake of others but this chart shows the relationship. Calcium and magnesium are both easy to lockout with other nutrients. Let’s let the soil growers jump in and see what else they would recommend.
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@monkeydo yes I’ve also tested the soil it came out at 6-6.5 i don’t have a meter only liquid solution to test so not exactly sure of the actual rating but I know its in that range from a previous test i did on it
- Tip burn usually accounts towards ph imbalance or soil ec is high. I would do what @monkeydo says and lay off the recharge, keep watering when needed but keep an eye out incase it goes the other way and flushes the nutes out of your soil, hope it sorts its self out mate
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