[andyralph]

Hi all checked my water in my tank and the tds was 000 checked it out off my brush and it was 13 my system is 8 weeks old using to new reels and hose checked it before going into hose and reads 13 any reasons why thanks andy

[Granny]

Must be picking up dirt along the way. Strainer dirty?
You can still clean at 13 though.
Trace back step by step from tank to brush head.