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well i did a treatment in my groom on the 3rd and plugged one of the 2x 600w back into a socket instead of the timer by accident, ive only just noticed, im in week 5ish of flower, so thats like a full week of 24hr :shock::shock:

Im not sure what was causing it 100% but i am 100% that it was killing my plants while switched on, I have a brand new co2 controller for sale but i am in EU.

I ended up tearing mine out, i was getting ethylene poisoning and my plants were going into some sort of lockout and the roots dying off, gone back to vented and everything seems fine except for the odd user error in the soup department.

I let them free stand last time but I have been training and supercropping toward the middle this time so I could try and get up some kind of netting!

Yes dude, im still getting used to it, after getting several def issues I decided to resort back to 50:50 tapwater/RO and ditch the cal-mag and they are going really well again! I now believe GH trio should not be used with pure RO as there is something missing.

so in DWC you feed EC2.0 during veg? I got to 1.6 by accident and got lockout, ive also seen nute burn before 1.6 in other grows.

just checked your journal, that's exactly what im trying to do but in RDWC!

in DWC?

How do you know it never needs calibrating? have you tried it in a calibration solution?

at 0.5? that seems high to me! how are you not burning the shit out of them? is that in RO? the pics look like lockout though? starting to wonder now lol.

its weird, the one that has gone out of calibration is fine up to 1.0 then goes badly wrong!

what nute line? I run GH which runs at a lower EC than others I beleive!

im currently backing the EC down to 1.0 from 1.6 to hopefully sort out the lockout issues.

Your right except that my system takes so much water I have no real way of knowing how many litres exactly so have to go by EC. What about an EC meter in RO?

but I have only just got these, last PH meter cost me 50€ and it was a piece of sh*t, at least this one you can calibrate with screwdriver to buffer... 50€ one refused to calibrate in the end... this EC meter is exactly the same but measuring 0.3 higher after ec 1.0, I did read somewhere about...

Yep, cant afford a good one right now!

Ok so my new pens came today, with the drops im bang on with my PH at 5.8 but I also got a second EC pen and that's showing 1.6 not 1.2 like the old one! Im so fed up with ph/EC pens

Hi guys, a week ago I found out that my PH pen was reading +1.0 and refused to calibrate, I have since been using drops while I wait for my new meter to arrive. Anyone care to offer an opinion? GH trio to 1.2ec Sealed room CO2 grow in RDWC temps lights on 28°c lights off 23°c

My problem turned out to be my stupid Adwa PH pen had gone up by a whole point and then refused to re-calibrate so I binned it and have ordered manual calibration cheap ones, at the mo im using drops but the girls have really picked up since I discovered the problem! they are showing some...

I use EC not ML/gallon and the 3-2-1 ratio is on the gh charts on the bottle.