Answers
Jul 05, 2017 - 06:20 AM
The easiest way to know is when you start to see spots while washing. Or by using the test strips.
Fresh Water > RV Water Softener
Do you have the same question? Follow this Question
Jul 05, 2017 - 06:20 AM
View all On The Go OTG2-SOF-REF1 Standard Water Softener Resin Refill Kit Questions & Answers
Add New Comment