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New DWC grow.

#1cheesebuds

Well-known member
Veteran
I havent grown in DWC in a few years. This one is a clone. Today i will be replacing the water with new water plus grow fertilizer and cal+mag. Hope it starts getting healthier after the feeding.
 

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DrDee

Member
Hi CB,
You know you'll get better advice if you give more info. Sure looks like it needs more food to me...
Cheers,
JD
 

#1cheesebuds

Well-known member
Veteran
So I fed this clone General Organics Bio Thrive grow hydroponic food and some cal+mag. It's not looking a whole lot better but sick plants don't get fixed overnight.

I think if I keep changing the water and feeding it and keep the AirStone going 24/7 instead of only 12 hours on then it should start to look better in the coming weeks.
 

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DrDee

Member
CB,
I don't do DWC though I have done and will soon be doing hydro top drip. So you were letting your roots sit all night underwater with no airstones running? Is this standard DWC procedure? Seems risky to the roots to me. How do your roots look now?
JD
 

#1cheesebuds

Well-known member
Veteran
The whole plant looks a little better today and I changed the glass jar 2 a plastic container. So that the roots don't stay so cold. And the AirStone is on 24 hours now instead of 12 seems to be making a difference for the better.
 

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DrDee

Member
CB,
I became curious about airstone timing and did my own research. Everywhere I read said run airstone (or airstones) 24 hours a day.

You subjected your roots to non-aerated water for 12 hours every day. I would suggest that you should treat for root rot and never run airstone less then 24 hours. It's the biggest problem with DWC.
JD
 

Bobby Boucher

Active member
I've heard of people getting away with unknowingly plugging their pumps into a photocell without issue. The water should have remained oxygenated during the short night cycles. Still would not recommend.

Would recommend running some kind of disinfectant until plants are big enough to fend for themselves. Don't know how it'd interact with your organic fertilizer though..

:dunno:
 
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Douglas.Curtis

Autistic Diplomat in Training
I've loved DWC for many, many years now. :)

Good catch on the oxygenation thing, cannabis plants require a bit more than most plants. Run your pumps 24/7 for best results, especially later on in flowering when oxygen demands increase. ;)

As for nutrients, I don't know anything about the brand you're using. I would recommend looking for others in hydro who are using it, then seeing how this information applies to your situation.

Your roots look good in the photo. I don't see a mention of solution temps, you'll want to keep it between 65F and 69F. I put airpumps in cold a/c air, then use aquarium heaters to keep the temps at 69F. :)
 

#1cheesebuds

Well-known member
Veteran
Update. She has grown some. Today i gave it new water. My next question is should i give hydro food every time i give new water?
 

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Gazoo31

Member
Some do some don’t. Do you have a ppm meter? I’ve been doing full strength add backs with success. Some recommend 50% strength some plain water and some recommend to alternate. Just have to find what works for you.

If you have a meter try to add back until youve reached your initial ppm. Remember when it’s working right ppm drops and ph increases. When you add back with full strength (your target ppm) it should return to your starting ppm and ph.
 

#1cheesebuds

Well-known member
Veteran
Thanks for the info gazoo. Any helpful dwc tips and tricks are welcome m8.
Many moons ago(2000) i use to grow in small dwc. But i have forgotten some of my hydro knowledge.
I might transplant into a bigger bucket soon. The Air stone has been on 24 hour cycle since my post on the 22 nov.
 

Douglas.Curtis

Autistic Diplomat in Training
Update. She has grown some. Today i gave it new water. My next question is should i give hydro food every time i give new water?
Read the post linked in my signature. It's by far the easiest way to manage hydro with cannabis I know of. After 15+ years using this information, I can assure you it's capable of producing cannabis people swear was grown organic. ;)
 

#1cheesebuds

Well-known member
Veteran
DC I just read your whole post about Hydroponics. It was a long read but I think I understand it a little bit better. Either way I think I'm going to transplant into a bigger bucket very soon.
 

Gazoo31

Member
Read the post linked in my signature. It's by far the easiest way to manage hydro with cannabis I know of. After 15+ years using this information, I can assure you it's capable of producing cannabis people swear was grown organic. ;)

That guide is really helpful. I’ve read it 3 times now I think lol. Thanks I appreciate the effort that goes into posts like that.

Plus I know it would drive me crazy chasing ph so knowing swing is acceptable makes my life way easier!
 

Douglas.Curtis

Autistic Diplomat in Training
Awesome! Very glad to hear it. :D It's made hydro ridiculously easy for me over the years. May it do the same for you.
 

#1cheesebuds

Well-known member
Veteran
Here's the new home for the plant. I used to grow in these back in the day with great success for a small closet grow. Gave some cal+mag and the ph is around 5.5-5.7 as of now.
 

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#1cheesebuds

Well-known member
Veteran
This one needs to go to the flowering room soon. She is definitely looking healthier now. Knock on wood.
 

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#1cheesebuds

Well-known member
Veteran
Night 2 of 12-12 cycle. Gave her some new water with cal + mag. Phed the water to around 5.5 .
It will be interesting to see how this lady flowers compared to her sister clones that are in Fox Farm ocean forest soil.
All 7 clones r from the same mother plant.
This is the only one in dwc.
 

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