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If it aint broke, don't try to fix it. Do the plants look good? Don't do anthing drastic. Baby steps, espesialy in flower. maybe a TINY DROP of ph down, but i'd say just observe them and let them run.

I'm not even using the water chiller yet as the res seems to have stabalised at about 17c/18c due to the cold ambient tempertaure here, (about 10c) fish tank heater is in overdrive at the moment though :-D It will probaby come in handy in summer though. Executive edit: the aluminum duct tape...

Thanks, I've been measuring water/nutes in EC rather than PPM from day one, mainly as there seems to be a few differnt ways /scales of PPM measurement so im tryin to keep it simple. I'm currently keeping EC between 0.8 and 1.0, but I read that that's quite 'hot' for DWC, (more so for young veg...

Thanks... that's a good point. The roots have really put some weight on since I cleaned the rez up, and are looking a bit better too. I'll maybe try bumping the light power up in a day or so and see how they react. I dont wanna try chlorine as i'm already using hydrogen peroxide as disease...

it's my first DWC run though, baptism of fire lol!

eeesh... i've invested a heelia chiller, $$$$ but the res temp is good at the moment, so i've held back using it as it's winter here. ... and the LED dont help... I'm used to battling the heat, now I'm battling the cold.

So I topped them anway, it had to be done at some point due to height restrictions.

the plants look pretty healty tbh, im just worried about the roots.

I've replaced the blue golf ball air stones with new ones, (they wern't blue any more, they were brown with bacteria/nasty stuff) and replaced the see-thru air lines with automotive black slicon hoses. I'm guesssing that's where I went wrong, I've also fitted some cheap one-way valves on the...

Thanks all. I really appreciate the advice... I'm sure I can get them through veg, but I'm pretty much winging it at the moment, so flower will be crazyy if I can finish.

I've replaced the clear airlines with black ones, replaced the airstones as they were litteraly brown.

it's an oxy-pot , so kinda a hybrid aero/dwc

but some of the roots still have a bit of a caramel color to them, and that worries me. The roots seem to be growing and thicking up fast though?

As far as I know, yes, I had to make a make-shift frame to hold the net buckets, and did a res change, It's a lot more cleaner now but i'm worried about exactly what your'e saying. the rez is dosed up on peroxide at the moment, but I fear I'm treating the symptom rather than the cause... I...

yes, I had to trim them and do a rez change as I got slime, theres some pics in my grow diary in the link below.

Thanks, thats whats confusing me a bit.. the plants are ~10 inches tall, so 20" from the light. I guess they are just too small for more intensity yet.

Thanks for the replies... it's DWC, so they can't really wilt from dehydration I don't think. The fact they perked up real quick when I dropped the intensity back down to 20% I think is telling, but I'm new to DWC, and LED, I used to do compost with HPS. The plants are 42 days old from seeds...

Day 42 Thinking about topping and defoliating a couple of the bottom large leaves as they are shaded and looking a bit surplus to requirements.

Hey all, Couple of questions.. Im gonna need to top and do a teeeny bit of defoliation as some of the of the orignal fan leaves, that are now shaded, are looking a bit past thier best. Do they look mature enough to cope with the stress? Also, Ive had to knock my 300w LED back down from 40%...

Day 40 The ship holds steady... the low leafs are a bit droopey but new leaf growth and root growth is good, well, not good but roots nice and white, considering I ruthlessly scissored off any roots that looked diseased. I was thinking about topping the plants soon, but I thing I should give...