Originally Posted by
Rollingstones
I run a 4 pot DWC system. 4 pots and a resivor.
It hold in total between 35 and 40 liters in total. I have completed multiple successful grows with decent yields.
My problem is that once the plants get to a certain size 5 or six weeks into veg. My EC drops very quickly. Which also plays havoc with my pH.
Example res change on Monday night. EC at 0.9 pH 6.0 (my base water has an EC of 0)
EC after 24 hrs. Is 0.6 and PH is 5.0
Normally the answer is EC is too low raise EC.
I'm at max EC as I get slight nuet burn on all 4 plants at 0.9
I believe that my problem is that the volume of nutrient solution in my system is too small and this causes the fluctuations.
Current resivor holds about 8 liters if I change this to a resivor to one that would hold 50 or 60 liters I should have a more stable system?
Am I missing anything?
I am using GH Flora trio with a taste of cal mag. My plants look super healthy I have no complaints about my end product I just feel that the wide EC And PH swings might be stressing the plants.
Thanks for any feedback in advance.
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