$1500 isn't a rip off price...
Stainless isn't cheap, isn't easy to work, requires experience to prevent burning the nickle out of the metal, then allowing it to rust.
Since some s/s is acid resistant, and the lead isn't, I would look at hydracloric acid is eat out the lead, but beware the fumes are going to be extremely harmful. Extreme amounts of ventilation and skin/eye protection. (guess that scared you off!!). If you have a business nearby that does galvanizing or uses acid tanks, you might get the tank dumped for a six pack or small bribe.
David from jax