Originally Posted by
McFlyRides
Ha! I just figured this out 2 days ago. I got to looking closely at the valve, and got grossed out. I took them apart, gave them a little scrub, and soaked in bleach. Now as good as new. I did tear part of one exterior trying to get it apart. They are tightly assembled.
The old ones may not have as good flow but the flow increase is facilitated by a bacteria trap. And I was grossed out too when I saw what was inside. I did a hydrogen peroxide soak in addition to soap, brush, etc.