black stem

[Smokey57]

my 1st grow, and a question already...not from a lack of reading, just from lack of being able to find the info I remember seeing in the thousands of posts! germinated okay and put them in my DWC yesterday. this evening i find ALL 5 plants in 5 seperate buckets all have black stems. have i overwatered them ie the water level to high and the airstones causing to much water to splash on the rocks and rockwell cube? water level is about 1 inch below the bottom of the rockwell cube. cube sitting on two inches of rocks

Smokey57

 

[Afgan King]

Pics?

 

[Smokey57]

Pics?

system wont let me until i have one more "like" very new here. have been reading for about a month just dont post much.
Smokey

 

[im4satori]

im not sure that having a rockwool RW cube in DWC is a good idea

the RW isn't meant to be saturated 24/7

im willing to bet that's the issue

 

[Smokey57]

the rockwell cube is just to get it started. once the roots hit the water i will lower the water level.

 

[Afgan King]

im not sure that having a rockwool RW cube in DWC is a good idea

the RW isn't meant to be saturated 24/7

im willing to bet that's the issue

Rw cubes is how you run em used to have 4"x4" in my Dwc system had a 8" hole in lid and 10 gallon tub per. Rw is perfect for it there is a black algae you can get which isn't bad but I need pics to really tell anything

 

[Afgan King]

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the rockwell cube is just to get it started. once the roots hit the water i will lower the water level.

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Doesn't show em

 

[Smokey57]

is it working now

 

[Afgan King]

Probably a trait you're fine looks good

 

[Smokey57]

three different strains. northern lights. quazy quake and skywalker

 

[Smokey57]

maybe daddy is just nervous with first born..........

 

[Afgan King]

three different strains. northern lights. quazy quake and skywalker

Eh still look perfectly healthy to me if they were mine I'd be fine I've had strains of all types look like that or fully lime green you giving any nutes? Should be just water for a couple more days prob then light light nutes

 

[Smokey57]

thanks afgan. i will quit being such a worry wort, at least i will try. put in only 10 percent nutes, felt i had to give them just a little bit.

 

[im4satori]

oops
sorry my mistake
never done a DWC
I imagined the RW submerged

 

[Afgan King]

thanks afgan. i will quit being such a worry wort, at least i will try. put in only 10 percent nutes, felt i had to give them just a little bit.

That's fine normally you want to wait till the cotyledon are starting to yellow. Those first two tiny baby leaves there will yellow when food is needed. It's like their first meal that they are born with