Seedlings not improving after a week.

C

Cannaman719

New Member
I’m running blue dream, purple bubba kush, heavy grapefruit. Nutrients is drip hydro. Seedlings started off strong in rock wool cubes but once I started gently introducing them to nutrients it seems they are having a hard time. Last grow didn’t have any problems. Should I start giving them ph water to flush them out a bit? Temp is 73, humidity it 40-45%.
 

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MickFoster said:
You should be feeding them from the top until the roots are well established in the reservoir.........they look bone dry.
Never use plain water in a dwc set up.
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They have been getting fed from the top of the cube. It’s weird I did everything I did last grow, last grow was a success.
 
Side note, I'm pretty sure the res is supposed to be light tight, and I think I can see a sizable gap where light can get through.

I would recommend starting over and reading up on the DOs and DONTs of DWC.
 
Tolerance Break said:
Side note, I'm pretty sure the res is supposed to be light tight, and I think I can see a sizable gap where light can get through.

I would recommend starting over and reading up on the DOs and DONTs of DWC.
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Sounds good, I figured I butcher it this go around. This will be my second dwc grow. I think I just got luck last time. Has anyone used root riot cubes with success? And I will read up on the thread for DWC and see what all I have done wrong and adjust.
 
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