TheBlaze: Genesis, Chapter 1, Verse 1

Thanks bud. I have not done that yet. Didnt think of that at all actually. I will make sure to do that in a few days then. :thumb:
 
I see I have a magnesium deficiency that sprung up quite suddenly. It's amazing how quickly these problems can present when you grow in coco. Especially coco with lots of perlite. I have been giving a little less calmag than I normally would, so I'm not too surprised. Just surprised at the speed of the onset. No problem. Tomorrow they are scheduled for plain water and calmag anyway. Will just make sure I up the dose a bit.
 
UPDATE

Day 27

I was hoping to flip 4 of the plants next tuesday, but I still need to take cuttings and then the plants need to bounce back from that. A week should be enough time, but this grow has had some issues and I have been unable to stick to my usual routine. I normally do a light to moderate defol before flipping to 12/12 but I don't think I will have time this round. Will do only one defol about 3 weeks after flipping them.

In the pics below you will see the magnesium deficiency. I gave them plenty of calmag today though, so hopefully they bounce back sharpish. They're still growing well though.

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Plant below seems completely unaffected by the mag deficiency.
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Is dude a dude?
 
Dusty Kiefers said:
Have you tried to foliar feed Cal mag. It's like a steroid shot from them. I have had to before. just make sure you do it an hour before lights on, and make sure no water left on them before lights come on.
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I have used epsom salts as a foliar feed before, but I can't remember the results now. If I don't see a significant improvement soon, I think I will do just as you suggested. Thanks DK.

GrizzWald said:
Is dude a dude?
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I don't know yet bud. Can't see any signs of sex yet, although I was quite busy today so didn't get a chance to look properly. I don't have to feed or water tomorrow, so I will have a look at their lady/gentleman bits. :cheesygrinsmiley:
 
Ok, so I was wrong on the magnesium deficiency. It is actually an iron deficiency, which looks very similar to a magnesium deficiency but it affects new growth first as opposed to older growth like a mag deficiency would do. Also, an iron deficiency can correct itself, resulting in the leaf slowly turning green again, from the outside in. Which makes it look even more like a mag deficiency. This explains alot for me, and I've learnt something new. Most common triggers for Fe deficiency is pH or stress. My pH is pretty spot on, and since I transplanted them into big 7 gal pots recently, I think it is most likely stress related.

To rectify, either correct pH or simply wait it out for the plants to overcome the stress that triggered it. Also, most calmag products contain iron as they work hand in hand. So regular calmag supplementation is also a good idea. I'm not a fan of proper flushing for coco plants. So that will be a last resort. I'm not going to do anything drastic just yet.
 
Thanks for chiming in bud. Yeah, I read it takes a bit of time to correct as the plant takes iron up slowly. So my game plan is to give calmag a little more frequently, while also taking a long hard look at my environment and tightening that up. For instance, it gets too cold in the that building when the lights go off. Drops from about 27.5 deg C to 17.5 deg C. That is too big a swing. I need to figure out the sleep mode on the aircon, but it didn't come with a manual as it is a recon model. I found the main distributors though, and they aren't far from where I stay. So I will pay them a visit and get them to show me.
 
Thanks CS. Keep sending those positive vibes bud. I think I need it.

Yeah, after Grizz asked if the dude is a dude, I had a good long hard...wait, that doesn't sound right... look at it. I think I see the beginnings of tiny little pollen sacks.
 
:rofl:
 
UPDATE

Day 29

Plants are looking a little better than they did yesterday. I topped them yesterday and also did some very light defol on the bushiest of the plants. Probably not a great idea to add more stress, but what's done is done.

I see some clawing happening as well, which is odd given the fact that they were on half strength nutes. That might indicate a salt buildup in the coco, which is also odd because I get a fair amount of runoff with each feed/watering. I definitely think adding all that perlite was not such a great idea. I don't know man. Strange.

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Below is the healthiest plant of the lot. One of the larger Exodus Kush. She will be ready to flip early next week.
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Awesome...not so much... but thanks for trying to cheer me up bud. :rofl:
 
:cheesygrinsmiley:

I just know they're struggling a bit and it bothers the hell out of me.

Thanks :thumb:
 
Plants don't look much better than they did yesterday. Even though they are still growing. I've been thinking about what could have gone wrong, and I now have a theory...

The plants started exhibiting these problems shortly after I used the EM-prosoil. I've used it in the past with good results, so I didn't even consider it as the culprit. Thing is, I've never used it directly after a transplant. That stuff is quite acidic, and will drop the pH. So my theory is that because I used it so soon after a transplant, the root balls were still small compared to the pot size. So the plants would only have used a small amount of EM-prosoil. Leaving most of it behind in the medium. That is why they recovered a little after the calmag session. Not because of the calmag, but because I gave them more water than I normally do and got more runoff. Effectively flushing some of it out, and raising the pH slightly. They are due for another calmag session tomorrow. So I will use even more water this time to get more runoff and hopefully flush most of it out. Let's see what happens.
 
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