Our ICP-OES set reference solution is ideal for comparing against various home water tests plus hydrometer and refractometer, to check wether you’re getting correct results.
Our reference solution includes:
Salinity 35 PSU
Carbonate hardness 6,9 dKH
Magnesium 1190 mg/l
Calcium 380 mg/l
Strontium 7,5 mg/l