I was curious as well so I look at there website and here is what they say that parameter is:anyone know what OLI means ? Thanks.
FUXS, thanks for taking the time to share all your info here it really helps out, appreciate it.
"OLI - You don’t need anything, MT tests water quality."
• OLI – is our own derived parameter which measure the organic matter in water. Can indicate when users should run or replace carbon