jaz1873 said:So do i keep an eye on the water ph then during all processes?I thought the cf if a measurment of nutes in the water..How do u know what to make it?? Whats is the cf meant to read??
Growdude said:cf is a conductivity measurement, it can be converted to TDS (total disolved solids)
If plants are big I run it at ~ 1600 PPM
small plants, 4 to 6" I run mine at 400 ppm, but it matters on the strain an other factors so start small and work up slow.
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