Started using a new to us hagie dts 10 sprayer yesterday.  Is there a way to tell when the tanks are full without running the tanks over?  I have the sight guages but they are hard to see when the tanks are almost full.  I have a flow meter on the fill but it does not seem to work correctly because we have an induction cone plumbed right behind it on our tender trailer.  I think this throws it off because it worked fine the past.  Any suggestions will be greatly appreciated.