I need a new tank.I have a farm well.I never use much water.Maybe fill a 200 gal. stock tank once and a while.I water a small garden.I have a tank that is about4' tall.I'm thinking it around 40 some gal.Is your 42 gal tank big enough for my place? Thanks I need to order one from you fast.Mine is rusted and leaking..Thanks Idontno