Getting back into growing, am I forgetting anything?

  • Thread starter Kasper24
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Kasper24

Kasper24

3
3
So I have 6 plants going approx 2.5 weeks old. Substrate is blend of coco coir and organic compost, spaghnum moss, peat moss. Approx 70% coco.

Lighting 250 avg PAR (about to increase to 300)
20/4 cycle
DLI about 18

Using lemon juice for pH correction

They've had two feedings of 5-1-1 fish Fertilizer (separated by standard watering)

Avg VPD 1.08
Humidity 70%
Temp 78F

Are these normal size for age? I'm new to using coco and was worried I've been over watering. Any tips or pointers are gladly welcomed.
 
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Kasper24

Kasper24

3
3
Update

I believe my plants are experiencing nitrogen deficiency. I'm still trying to get that ph sweet spot dialed in. If there's any other thoughts on my plants health please share. Having a hard time balancing between mag and nitrogen lock out. Should I pH every watering? Base pH of water I'm using is 6.5
Been going down to 5.5 with run off of 6.0 which worked miracles for a few days now the leaves are yellowing from the tip of leaf back towards stem, from the bottom up of the plant. Last 2 waterings I have used un modified 6.5 pH water (no chlorine, purifiied gallon water) Should I alter between a lower pH and a higher pH when watering?
 
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MercDod

MercDod

78
18
My first grow was with Coco coir and perlite so it may or may not be largely different, however I washed a brick of coco coir and began a buffering process before using. I washed in 18 gallon tub and buffered with 8 gallons of water with 60 ml of Botanicare Cal-mag plus. 150% dose at 7.5 ml/gallon. I buffered it a second time the next day. I let it soak for 24 hours each time. I then drained the buffering solution and added either 30 to 40 % perlite. Im not sure if its something you need to do so do the research. Hopefully someone with more knowledge can advise. Please forgive me if I'm just speaking when I shouldn't.
 

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