Posted 9/24/2017 17:18 (#6267704 - in reply to #6267693) Subject: RE: Diesel sight gauge hose??
Central ND
We just use 1/2" nh3 hose and replace it every year, we had some we bought from Menards that stayed clear very well but it got really brittle. Just make sure whatever you do you put a shuf off valve in and only open it when you want to check the level