What is this curling?

[bigjay]

Soil Growers:
1. Are you growing from seed or clones? seed
2. How old are your plants? 2 months
3. How tall are your plants? foot and half
4. What size containers are they planted in? 3 gal
5. What is your soil mix? foxfarm ocean forest
6. How often do you water and what type of water do you use? 3-5 days tap water
7. What is the pH of your water?6.3 -6.5
8. What kind of fertilizer do you use and what is its NPK ratio? n/a
9. Do you foliar feed or spray your plants with anything? 202020 w/ mirco
10. What kind of lights do you use and how many watts combined? (HPS, MH, fluorescent, halogen, incandescent "plant lights")mixed t-5
11. How close are your lights to the plants? 8 inches
12. What size is your grow space in square feet? 8sqf
13. What is the temperature and humidity in your grow space?80 lights on 70 off 40-80%
14. What is the pH of the soil? ??? runoff is 6.5
15. Have you noticed any insect activity in your grow space? gnats
16. How much experience do you have growing? 5 harvests

This plant is in veg. The new shoots curl in toward the node and the the edges curl in also. Is this a toxicity or deficiency?

 

[DiscoBiscuit]

Nothing looks out of the ordinary except the 20-20-20+ foliar spray. How strong are you mixing it? Looks like it's frying the new growth.

 

[bigjay]

1/4 strength, I have used this the whole time with no problems. Not saying its not the spray but i havent sprayed in 2 weeks. The pics are a week old, so ill get some new ones in a day or so. Problem is getting worse none the less.

 

[lysol]

Is the 80F ambient temps? Do you have access to an IR thermometer to get actual plant temp? Home DePot has em for $20. I notice a lil tip burn but I almost wanna say heat. About how often would you say the room's air is exchanged?

Might want to transplant just to see if the roots look healthy.

 

[bigjay]

yes ambient temps. the room is partially sealed so the air is not exchanged that often, one 16 inch fan inside. No intake or exhaust. Actually this started after i transplanted, into the 3 from a 1 gal. Roots were healthy then. You may be right with the air exchange, i have clones of this gal and they are showing the leaf symptom also.

 

[Weedhound]

Please give more detail about your lights. I prefer my ph in soil more at about 6.7-6.8. And I would skip spraying anything on the leaves until you figure things out.

 

[KnuckleHedd]

Looks like the typical twisting of new growth you get with overfeeding. To each their own, but I shit canned Peters products in 1987.

 

[bigjay]

I have ceased the spraying since the curling. you suggest i feed at a higher ph? The lights are ho t5's sunleaves 4 bulb 2 grow and 2 bloom, they are 8 inches off the tops of the plants. I havent had a problem with them being to close before. I understand everyday is a new day with new problems. I will try raising them to 12 inches or so.

I usally keep the lights 4 inches from the tops, and i thought is was too close for this gal so i moved them up to 8 iniches. When that didnt seem to help i flushed with tap water phed to 6.3 and that was a week ago. Still no difference.

I read somewhere that when the plant uses up the available co2 it will stop growing, could this be what is happening? Do i need to exchange the air more often?

 

[Weedhound]

Perhaps time for a larger home.....rootbound? Those t5s could have fried your plant at 4 inches; I keep mine at about a foot due to heat but alsp my 8 week old plant would be in a 5 gal container by that time so.to have plenty room for healthy happy roots.

And yes, i would raise your ph to 6.7.

good luck