are these worth the money
https://www.getbluelab.com/Products/by-category/pH-Meters/Bluelab-Truncheon-Nutrient-Meter.aspx
was thinking of getting one, if not worth the money whats the best alternative.
https://www.getbluelab.com/Products/by-category/pH-Meters/Bluelab-Truncheon-Nutrient-Meter.aspx
was thinking of getting one, if not worth the money whats the best alternative.