Gavita recommends 24 inches for their 1700e. Full Power. Is 1700umol
1000w Hortilux HPS is 1600umol, and is arguably the very best Single Ended HID made. In the right conditions you can get a 1000w HID 20 inches or less.
The Gavita DE 1150w HID will fry plants at anything less than 3 feet. 2100umol, and insane amounts of Infrared.
What are you feeding the plants in Flowering?????
usually flora micro/calmag.cns17gro in veg
bloom cns17bloom/calmag/potassium silicate/potassium hydroxide as ph up.
ro water with heavy airstones. It seemed like the roots might have been a bit weak. At first it seems like the stretch is going great then all of a sudden with nice structure they start yellowing and the trics are like dust and hardly exist.im not ruling out root rot but the same set of clones at the same time under the hid seem fine. looking at the root under zoom reveal no insects
in bllom 125gallons of water usually gets 5.5-6 cups of cns17bloom 3/4cup calmag and 1/4cup protekt.
foliar feeding them brings out some greens but in the end they still die as if the roots die. i dont notice any slime of crazy shit in the root zone except they are kinda weak. i also think the hydroton shifts when the table floods and harms the root a littlebit
in the end i dont think its possible to get 30 inches from them in bloom. i need to know what the umol is at the leafs then couldnt i make sure theyre not getting too much or too little? what meter would be best to use?
3 hlg600watt per table