leaves curled up?

i have four, 5 inch sprouts in my hydro drip system and there all having problems one is that the leaves are curled up a little at the tips what does this mean.

do you have low humidity?

How much nutes they getting? What are your temps, ppm, and ph levels? What type of light they under? Do you fans for exhaust and intake?

Goozb said:

i have four, 5 inch sprouts in my hydro drip system and there all having problems one is that the leaves are curled up a little at the tips what does this mean.

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I have 1 150 watt grow light with a reflector i got from a hydro store, 2 LED lights that push 170 volts each (dosent have wattage). the ph of my water is some where between 6.5 and 7.0. i use general hydroponics nutes (micro, grow, bloom) and use the reccomended half a table spoon of each in my five gallon resivor. the temperature is usually between 82- 75 and drops to about seventy when the lights are off.

also have a fan running in room which may lower the humidity

Maybe the lights are too close, I don't know!!

i keep my 150 watt grow light about 12 inches from plants

For hydro your pH should be around 5.5-5.8 (5.2-6.2)
sounds like you're experiencing either nutrient lock-out because of your high pH or your light is too close and burning the tops of your plants (just like mine).