Hello all, the tank has varnish and a gray slugde in it, what can be used to clean that? I plan on getting tank sealer and sealing then. That has worked on a 1650 for 10 years now with it not coming lose yet.AB your hard to get a hold of. Chris could I still send you a vacation pic with the mag? BA Starr might recognize the place. The tank is on a77 Ind. with a Lull loader with factory duals and ARM strong power steering.