My questions (pics below):
- How do these things work and does it actually make a difference?
- There is dirt inside of the water filter - does it need to be washed out?
- Do the white rocks inside of the water filter need to be replaced? How often?
- What does the message WaterHard:20 Grn mean? What should I set it to?
- Why does my flow rate show 0 gpm?
- Where do I pour the bottle of Pur Gard?
Here is the water filter that came with the house I bought:
Here is the inside of it:
And a couple messages:
And a bottle of Pur Gard: