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SkywalkerOG RDWC

Gazoo31

Member
These girls are 4 weeks old today. I’m feeding at 450ppm 5.6-5.8 ph. Works out to about 1.75g per gallon of Maxibloom.

They’re starting to show a bit of over nute not sure if I should cut back or not as my Rez ppm is stable and not climbing. They’re under a 600w air cooled hps. The fan is a hyper fan 6” I believe 315cfm and keeps temps at about 72f and around 30-45% humidity .

4x4 secret jarden ds120, RDWC with 5g buckets and a 30g Rez. I have each bucket set up as a waterfall with air stones in each bucket powered by a 4 outlet aquarium pump. Rez temps about 66-68.
 

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Gazoo31

Member
They just got their first Rez change on the weekend. I’m using tap water with 250ppm and about 8.5ph. Not ideal and I’m working on r/o eventually. I think my problem was more my air pump.

It has an adjustable dial on it and I don’t know if I bumped it or it vibrated closed but it was almost putting no air out. So I made sure it will never self adjust again.

Last night after no improvement after the Rez change I pulled 5g of Nutes out and added 5g of r/o that I had kicking around. Dropped my ppm from 450 to about 350-400. I have a blue lab truncheon so it’s not exact I guess. Hopefully I see improvement in the next 24h.

This is my first real attempt at dwc and I’m absolutely astounded by growth speed. I will never, ever touch pro mix or coco again. Except for moms maybe.
 
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Hydro8

Member
Cool set up. I did 4 in a 4x4 tent before, it got thick so now I usually do 2 with a 5-week veg.

This is my first real attempt at dwc and I’m absolutely astounded by growth speed. I will never, ever touch pro mix or coco again. Except for moms maybe.

I know how you feel, now when I grow in soil it is like watching a cactus grow. I keep thinking something is wrong then I realize I am used to DWC.
 

Gazoo31

Member
Oh boy. I was planning on a 6 week veg this should get interesting. The tent came with a screen I might have to bust that out. I like being able to lift the lids and check on the roots though.

I topped three of them last night. One has been topped and defoliated once, it’s looking like there’s 10 tops on it hehe.
 

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Gazoo31

Member
Today is flower day 1. Lights go off soon.
 

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Gazoo31

Member
Flower Day 3.
 

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eyes

Active member
Veteran
They just got their first Rez change on the weekend. I’m using tap water with 250ppm and about 8.5ph. Not ideal and I’m working on r/o eventually. I think my problem was more my air pump.

It has an adjustable dial on it and I don’t know if I bumped it or it vibrated closed but it was almost putting no air out. So I made sure it will never self adjust again.

Last night after no improvement after the Rez change I pulled 5g of Nutes out and added 5g of r/o that I had kicking around. Dropped my ppm from 450 to about 350-400. I have a blue lab truncheon so it’s not exact I guess. Hopefully I see improvement in the next 24h.

This is my first real attempt at dwc and I’m absolutely astounded by growth speed. I will never, ever touch pro mix or coco again. Except for moms maybe.


Your issue is more of your tap water. 250 ppm is too high for a proper assimilation or homogenous mix nutrient profile. Too many minerals in that tap water. Competing minerals with each other will cause deficiencies with others or lock up when combined. 90 ppm is more of an exceptable level for water.
 
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Gazoo31

Member
Thanks for the reply. I’ve seen conflicting conversation about tap ppm and that helps make my decision to go r/o. I’m still fighting tip burn and downward canoe curl. I’m not sure if it’s the water or my rh. Maybe a combo.

I’m still only at 350ppm .5 scale which seems insanely low for a 600w HPS w/ DWC good air supply etc at 5-6 weeks veg. Currently around 5.6ph. I let it hover between 5.4 and 6.1 and don’t try to micromanage the ph.

My rh is maxing out at 35% and the upside down canoe syndrome is most prominent on the largest plant. The fan leaves are absolutely massive. This leads me to believe it’s transpiring too much and can’t keep up so to speak thus trying to protect itself.

This is a pic of problem plant.
 

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Gazoo31

Member
Day 7. Slowly ramping up my E.C. to 1.0 lol. Picky bitches.
 

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Gazoo31

Member
New pics from lights on.
 

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Gazoo31

Member
Managed to catch lights out today. Working on a better camera lol. These bitches are exploding the last couple of days. 4” of growth in 3 days. Right now I’m loving having control over hydro. My ph is always controlled compared to past coco and promix grows and it shows. My stems are white showing no ph issue. Leaves are finally looking happy and starting to pray to 600 watts of goodness. Just wish I could get my temps up I’m only hitting 68 but night temps are only dropping to 63 so my temp differential isn’t too bad I guess. As a side effect my Rez is staying between 65-67 degrees.

Also the smell... god dang I need to get a carbon filter.
 

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Gazoo31

Member
Little Monday Mary Jane...
 

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Gazoo31

Member
Before lights on day 14. Looks like all 4 are female. Just realized I didn’t take the pics in landscape damn.
 

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Gazoo31

Member
Day 20 I think. ph is at 5.9-6. Ppm .5 450-500ppm. Need to do a Rez change soon.
 

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