Day 30 Flower Deficiency?

Look up calmag and LED . Quite a bunch of newer research on canna needing more when growing with led

Any way the light is too close? It’s 18 inches away. First grow grow using LED instead of HPS

Is that the long 300w bar light?
-you can try raising it but I don’t think that’s-causing it. There’s a bunch of mars guys on here. Maybe search for a thread .
-I’m using 2-240w in 4x4 at 18”-24”. No burn

SBBCal said:

Look up calmag and LED . Quite a bunch of newer research on canna needing more when growing with led

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I just switched to led and these deficiencies happened within a week. It's been a nightmare. I'll check out the research, thanks for the info.

youre watering way too much #1. soil does not require you to run off like coco. youre really just drowning the roots
#2. fox farm. theres your problem
thats my opinion. see thisnoften with people overfert with fox farm soil. chexk out the posts. 90% that post problems are all foxfarm soil users. throw that shit away

im going to say its a lockout of some kind because your soil ph is off due to the lockout and possibly because of overwatering as well.

Jjgrow420 said:

im going to say its a lockout of some kind because your soil ph is off due to the lockout and possibly because of overwatering as well.

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not sure I agree with the overwatering. I water twice a week and 25% run-off each time. I do the lift test to make sure my pot is light before I water. I have a plant right next to it following the same nute schedule and soil with zero issues. Royal Queen seeds says to water a 25-33% which would be 1.25-1.65 gallons of my pots capacity (5 gallon). Ilovegrowing says to water until 20% run-off which is exactly how much i'm feeding. Also how am I drowning the roots? I'm in smart pots and all the excess runs off. I realize that you probably grown a lot more then me but why do these sites have a different answer?

For the Fox Farm, I will probably switch soil next run but finish the nutes I have. I would think my other plant would show an issue since its the same soil so I don't think its that either.

Not trying to say you are wrong because you might be right, but the information out there is different.

you water to run off with coco not soil.
does your plant pick up after the soil starts to dry? over water.
truthfully neither I or an internet article can tell you how much to water. only your plant can.
I CAN tell you less is more. but you dont have to listen. Meh.

god damn im baked. i think i got this thread mixed up with a diff thread. and am responding maybe to both of them about each other.

i dont even know anymore

My advice would be to invest 35 bucks in a DWC bucket and test it out the next time you start veg. Do that many people still use dirt? hydroponics is just easier and better. You only need a fish tank bubbler($7.50) , a bucket($5.00) , and a net pot($2.00) and a bag of vermiculite ($10.00). Those items will completely replace any dirt you use and unlike the dirt you will reuse the bucket and other items. You can add an auto watering device from amazon ($20.00)for the early days and start from seed in the vermiculite. The only thing required is maintaining nute water level in the bucket every other day.

Calcium def. Get some cal mag.