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can someone diagnose the problem I am having with this manifold design? i have adjustable sprayers but when i turn some on other turn off. there also seems to be air trapped in the system. Do I have to connect all the backs of the pipes together to equalize the pressure? I upgraded to a huge...

This is my first time in rockwool after several successful runs in a soiless medium. I am using 40" slabs hung vertically with 4 girls per slab. all my climate conditions are right, constant 76F, 55%rh, 1500ppm co2 ect. the only thing new to this grow is the medium which leaves me wondering what...

I'm working in a sealed room 1000 cu/ft with a tank and reg. we've all see the calculator to bring it up to 1500ppm and know every three hours or so the room should be filled again. These calculations are for no doubt plants at least 9" give or take, my question is when supplying co2 to my...

From what i've read here this is a surplus nutrients, The leaves have brown spots and are curling up, can someone confirm before I take action as to what is the problem. Thanks.

hi everyone, I'm running a closed grow environment it has -2x1000w sealed vented lights -70lb carbon filter -air conditioner -c02 tank with reg and solenoid valve -30 girls my question is if my room is sealed and temp is no problem to control with the vented lights and a/c unit how often...

I'd like to set up co2 augmentation, I already have a tank with a regulator but the regulator was for welding so it is a pressure regulator instead of a flow regulator, my question is given the diameter of the hose and the pressure, does anyone know how to calculate the CFM i would be putting...

im in day 25 of flowering my light cycle is from 9pm to 9am yesterday my light stayed on untill 5 pm i turned it off as soon as i notice but they got 20 hours of light, seeing as it was one time i let the lights turn back on at 9pm, today the SAME GOD DAMN thing happened should i turn them on at...

my light is on 8pm to 8am during flowering this morning at 10am during the dark period i lost power and my light by default came on and i only noticed at 5pm when i got home, i turned it off right away. whats the best way to proceed? im on day 10 of flowering, should I turn it on at 8 pm to 8 am...

hey everyone, quick question I thought i was good adjusting the ph of my water then add my nutrients to the proper ppm, and water my girls in their soiless medium. Yesterday i did what i usually do adjust the ph to 6.2 then add my nutrients, then i decided to check the ph again this time, I was...