i have an apera ec meter. 60 series, the same as my ph meter. can definitely recommend.
comes with solution, but you'll probably never use it. thing has never left calibration, the decent ones rarely do. the ph meters will drift, but it's rare an ec goes out.
comes with solution, but you'll probably never use it. thing has never left calibration, the decent ones rarely do. the ph meters will drift, but it's rare an ec goes out.