The Wells sunk to the bottom of the league after a midweek mauling at Cray Valley PM.
Anthony Edgar 25mins, Danny Smith 33mins
and a Joe N'Guessan 39min Penalty gave The Millers a 3-0 lead into half time.
Francis Babalola made it 4-0 on the hour.
Alexx Kendall gave The Wells a consolation on 82mins before Denzel Gayle finished of a miserable night for The Wells by netting in the final minute and continuing The Wells worst start to a season for 12 years.
Next up The Wells host A26 rivals Crowborough Athletic on Bank Holiday Monday.
Kick Off 3pm.