I read the "how to fix clogged sunroof lines" and performed the procedure on my H3.
I have an H2 with sunroof and experiencing no issues.

I was wondering, is there anything that I could do to keep the tubes clean?
Maybe pouring a solution of "wheel cleaner" in the reservoir? You know the stuff that cleans off brake pad dust from wheels?

*Or is there a thread that discusses this that I didnt find?

 

I am no mechanic nor do I know what the tubes are made of but I don't think you'd want to pour wheel cleaner down any tube that is rubber or maybe even a plastic for that matter. I think wheel cleaner could eat through the lines.

 

Thats possible - I used "wheel cleaner" as reference for what/how to clean it.
If the tubes do get clogged - this can become a major project

There has to be something that can be done