Gidday Ive been given a ec pen but its in ppm now where I live we have crap water,the readings from the tap water
are 450ppm am I supped to add that on to my nutrient reading like if I wanted to run it at 1450ppm is that included or is it 1850ppm if that makes any sense
Thx Nods
are 450ppm am I supped to add that on to my nutrient reading like if I wanted to run it at 1450ppm is that included or is it 1850ppm if that makes any sense
Thx Nods