Light green and faint purple on young plants

IrkinBollikans

IrkinBollikans

Well-Known Member
In coco perlite mix. Feeding house and garden cocos a+b according to their chart, along with calmag. 2 week veggie looks very light green to me. Seedling has faint purple on the newest growth and slightly wilted leaves. Under a hlg 135 dialed down a bit in a 2x2x3 tent. Want to get this coco figured out before my useful and bad dawg seedlings go into it
 

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What pH are you running?

The purple suggests you're a little short on Mg, but if you're feeding it daily in the form of CalMag, you may just want to keep an eye on it to be sure it doesn't worsen.
 
CannaCountry said:
What pH are you running?

The purple suggests you're a little short on Mg, but if you're feeding it daily in the form of CalMag, you may just want to keep an eye on it to be sure it doesn't worsen.
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5.6-6.0 is what I aim for. I have been feeding the smallest one every other day because I didn't want to make it any worse. I'll start hitting it everyday and see if it gets better. Are you familiar with house and garden cocos nutes? Are their dosages adequate or should I add more? I only ask because both of my plants are kind of lackluster in both growth and color. Also I've had healthy seedlings that sat in jiffy starters for 2 weeks after breaking ground and never showed a hint of deficiency even with non ph'd tapwater
 
IrkinBollikans said:
5.6-6.0 is what I aim for. I have been feeding the smallest one every other day because I didn't want to make it any worse. I'll start hitting it everyday and see if it gets better. Are you familiar with house and garden cocos nutes? Are their dosages adequate or should I add more? I only ask because both of my plants are kind of lackluster in both growth and color. Also I've had healthy seedlings that sat in jiffy starters for 2 weeks after breaking ground and never showed a hint of deficiency even with non ph'd tapwater
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I'm not familiar with that nutrient line. I run Jack's 321. I'm guessing if you searched here, you'll find a thread or two that address it specifically, which may help you answer your questions. And instead of adding additional CalMag, you can simply add a little Epsom salt which will up your current Mg without upsetting your current Ca level. No reason to add what the plant doesn't seem to be calling for at the moment. Good luck.
 
I'm not familiar with that nutrient line, I use GH, but my girls had been showing similar signs recently and I started adding some epson salt into my mix like Cannacountry mentioned and they are improving nicely. Just watch how much you use, it will spike the PPMs.
 
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