Transistioning seedlings to the GH

[PureHarvest]

Originally Posted by pecker88

I agree. I have 2 bush beefsteak tomatoes in full strength hydro solution (Kratky method) they are about 3 months old and HUGE. My basement ceiling is 9 ft and my 400w HPS lights are cranked to the top and still burning the plants!

I prob. add about 2 gal of solution every week; I have never changed the water or looked inside. I would bet the bucket is almost completely full of roots.

Are you shure the light is causing the tyyburn? I have a 430 HPS that is 3 feet above my plants with no burn.
9 feet up with 4' tall plants would give you 5' of clearance.
Have you considered fertilizer burn or roots that specialized for air then getting submerged in wAter and suffocating after a refill? Especially in Kratky.