J jvo Active Member Jul 14, 2012 #3 If your growing hydro yes you still need a ppm meter. The meter can be used daily to figure out whether to increase your nutrient strength or to add water. Depending on if your ppm rises or not
If your growing hydro yes you still need a ppm meter. The meter can be used daily to figure out whether to increase your nutrient strength or to add water. Depending on if your ppm rises or not
marc88101 Well-Known Member Jul 14, 2012 #4 puckuck said: Unless you're doing it wrong, why would you? That's the point! Click to expand... You should definitely be using a ppm reader!
puckuck said: Unless you're doing it wrong, why would you? That's the point! Click to expand... You should definitely be using a ppm reader!
