Hi one of our plants has got curling down leaf's on it but the other 3 are fine and seem to be doing well any idea's please?

What is the age of your plants? 31 days
What growing stage are the plants in? vegetative or flowering? 2 days into flower
What size/volume pots are you using? NFT
What soil/medium are you using? rockwool
Whats the nutrient EC readings? 1.2 just changed to vitalink max bloom A B
When did you last feed the plants and how often are you feeding? tank changed today
What is the max/min Temperatures? 25C/20C
What is your Humidity? 50
Do you know the pH of your water? 6.0
Is your water HARD or SOFT? hard
What type and size of bulb are you using? 250 hps
how close is it to the plants? 1 and half foot



Thanks