Hi,
So I've never noticed this, but Rodi until has a tds of 76 coming in and 95 going out... both are high. What would be causing this? Replaced all filters last summer and then didn't use all winter.
So I've never noticed this, but Rodi until has a tds of 76 coming in and 95 going out... both are high. What would be causing this? Replaced all filters last summer and then didn't use all winter.

