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Hydroponics / Aeroponics
Question about RDWC addback
Hey all. I am running an 4 site RDWC holding about 19 gallons of water. First grow, just built the system.
Here lately my water has been going down and so have my PPMs. I have a chiller and using bennies so I am trying to go two weeks between changes.
My addback method:
I started at 400ppm. Today I am at 340. This means the plants ate 60ppm's or 15% from where I started.
I originally added 33ml each of GH Trio to the 18 gallons.
15% of my original 33ml is 4.9ml or so.
Add 4.9ml of each...
Question about RDWC addback
Here lately my water has been going down and so have my PPMs. I have a chiller and using bennies so I am trying to go two weeks between changes.
My addback method:
I started at 400ppm. Today I am at 340. This means the plants ate 60ppm's or 15% from where I started.
I originally added 33ml each of GH Trio to the 18 gallons.
15% of my original 33ml is 4.9ml or so.
Add 4.9ml of each...
Question about RDWC addback