Saltash opened the scoring in the 4th minute with a Try for flanker Fin Jones on his 50th cap from a catch and drive lineout.
Scrum half Jack Pritchard kicked 5 first half conversions.
Other tries in the first period came from Wing Will Morton(2), Skipper Jim Moriarty, Flanker Phil Eatwell, full back Ryan Cruikshanks, No 8 Ryan Rayner for a 45-0 half time lead.
Into the 2nd half, with the bench emptied, Flanker Lewis Wells opened the scoring, converting his own try.
Saltash scored further tries through hooker Rob Walsh, Will Morton (2), locks James Sutton and Charlie Knight, Full Back Cruikshanks also crossed the whitewash and slotted 4 conversions.
To their credit, Argaum spent periods of time in the Ashes half with no reward and kept playing to the final whistle.
Next to for Saltash an Away trip to Liskeard/Looe where the league title could be secured.