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NakedBandit
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Yes LEDs. Thanks for the info! I will definitely try the calcium magnesium additive. I assume since my pH was low for a while it locked out the calcium...That looks to be a calmag deficiency are you using an LED?
That's a phosphorus deficiency. Read about both calcium and phosphorus. And their relationship. Adding calcium will likely worsen it.Yes LEDs. Thanks for the info! I will definitely try the calcium magnesium additive. I assume since my pH was low for a while it locked out the calcium...
don't go lower than ph5.5 in dwc or rdwc. what kind of nutrients do you use?This is a bubble bucket grow. 3 weeks old these brown spots keep appearing on the older leaves. I was thinking maybe pH burn? I was dialing it down pretty low at first. Now I have it around 5.5 - 6 but it seems like the spots are persisting. Any thoughts?
I'm using the general hydroponics floraseries 3 part system. Is that a decent one? I'm pretty new to thisdon't go lower than ph5.5 in dwc or rdwc. what kind of nutrients do you use?
Here is a great example of a progressive Phosphorus deficiency:That's a phosphorus deficiency. Read about both calcium and phosphorus. And their relationship. Adding calcium will likely worsen it.
Treat with cal mag and get back to us. I'll bet I'm right.Here is a great example of a progressive Phosphorus deficiency:
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Notice the lack of yellowing or chlorotic coloring? IMO this is a CalMag problem, I have to agree with @Backyard_Boogie here.
There's no such thing as "cal mag" deficiency.This is a few pics of what classic CalMag deficiency looks like. Im pretty sure this is it. Just buy a tiny bottle of CalMag additive and start adding the recommended doses in your waterings it will help correct it. Once the leaves have the deficiency it wont go away from those leaves so you can just pluck off the ugly ones. Once you start giving the plant the CalMag it will start putting out healthier new growth up top so it will replace the ugly leaves that you pluck off.
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Phosphorus deficiency appears on lower older growth. Calcium deficiency shows higher up.This is a bubble bucket grow. 3 weeks old these brown spots keep appearing on the older leaves. I was thinking maybe pH burn? I was dialing it down pretty low at first. Now I have it around 5.5 - 6 but it seems like the spots are persisting. Any thoughts?
Settle down Boss Man... Phosphorus Matters! I've just never seen it specifically being a problem....ever. Not in a single plant that gets fertilized.Who's the Googler matching leaf pictures instead of actually figuring out appearance as well as location? What a dope that one is.
Enzymes? Like for rooting? I haven't rooted any clones yet. These are fem seeds. So with the calcium deficiency, should I just keep the ph in a more acceptable range and it will correct itself or do you suggest supplementing in some extra calcium and magnesium?i don't use those nutrients. Not that anything is wrong with it. Planty of folks here use GH 3 part. What are you using for enzyme>? roots yet?
I was thinking calmag too...especially since I was running the ph a bit too low for the first week of life. I am working with the ph now and keeping it in a more acceptable range (5.5-6.3). I was hoping that would correct the problem on its own, but so far the problem is still showing up. Do you think I should supplement some calmag in? If so, I am following the floraseries feedchart by general hydro for their 3 part mixture, would I keep following the feedchart and just add a little bit of calmag to buffer the solution?Here is a great example of a progressive Phosphorus deficiency:
View attachment 1198446
Notice the lack of yellowing or chlorotic coloring? IMO this is a CalMag problem, I have to agree with @Backyard_Boogie here.
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