brownred
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DWC grow:
Is it really this simple?
I have been told...
To know your PPM, you check your water before adding nutrients, say it’s 50 (hypothetical number).
Then you ad your nutrients, say it’s 500 (hypothetical number).
then you subtract 50 from 500= 450.
Is your actual PPM 450?
Is it really this simple?
I have been told...
To know your PPM, you check your water before adding nutrients, say it’s 50 (hypothetical number).
Then you ad your nutrients, say it’s 500 (hypothetical number).
then you subtract 50 from 500= 450.
Is your actual PPM 450?