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Ive seen that but yeah my meter reads 530 ppm and .8 ec. and its brand new calibrated and everything so I don't believe its wrong.

530 ppm .8 ec and yes like 20 ppm but i bring it back up

so then maybe some clawing due to underfed and that would explain the deficiency ??

I don't think there clawing. Leafs just down because lights were bearly turning on, they were praying within half an hour. As far as everything else I think I got it dialed in. Maybe low ppm just being cautious tho because two weeks ago I had a higer ppm and that time they did claw and leaves...

well I did have them higher but then plants started to claw. Nice setup! where did you get your bulkheads from?

How do you overwater in dwc?? i leave about 3 inches from water to bottom of net pot. ph fluctuates from 5.8 to 6.2 but at the moment 6.0

Dwc 78 f/ Lights on 70 f lights off. Water temp 68f Humidity 45. Botnicare line 540 ppm

Nitrogen or sulfur deficiency?

Gelato, 3wks, 300w qb at 24 in at 40%, Dwc RO water with Botnicare Nutes. Ph at the moment 6.1.

Anyone know what this is, doesnt look familiar to me.

Dont know how but noticed the main stem near the top snapped partially, will it cure or should I cut it?

How often are you watering those?

I just water when its mostly dry, could I be giving too much at once though or is it something else or am I just tripping and its okay.

well I only water once a day and its quite dry when I do so, should I try letting dry out a bit more?

The Light is centered on top

Temps 75- 78 humidity 50- 60 under 240w qb at %30 Ive been feeding daily since its in coco with low strength mix about 1/4 of the recommended and I make sure the coco is partly dry. Only the past two days has it started to tilt, is it normal?

Cool, well they are rated for up to 75 watt each so I was thinking 60w each for a total of 120. Should be efficient enough?

I looked it up, looks good but just to make sure because on some specifications it says 1400 ma max current but thats for running at max voltage right. At 72 volt I should be good for 2100 ma correct?

Im new to this and I want to put two of the qb144 together , there voltage is 36 max 2100ma so I need a driver for 72v correct? Will the 150XLG-150-H-AB suffice seeing that it provides the ma but 56v?