Hi All,
Just curious what the calcium hardness test actually measures and what units it measures in, maybe ppm? I couldn't figure it out based on the instructions.
Thanks,
Joe
PS no jokes that it measures "calcium hardness" :-D
Just curious what the calcium hardness test actually measures and what units it measures in, maybe ppm? I couldn't figure it out based on the instructions.
Thanks,
Joe
PS no jokes that it measures "calcium hardness" :-D