on my current chemical line i am getting a lot of corrosion come through the line from the hose reel and the shurflo pump contectors rusting is their a reel out there that will not rust? i found a 2.5 hp honda on a hypro pump (3 gpm @ 150 psi) have you seen these? are there any advantages over the 12 volt pumps ? does anybody use a reel for there corrosive chemical application lines? thanks