WEALDSTONE delivered six of the best for the second time in five days to knock Mertsham out of the FA Trophy on Saturday.
Having put half a dozen past Feltham in the Middlesex Charity Cup on Tuesday, the Stones repeated the trick against the Ryman One South side.
But Gordon Bartlett's men did not have it all their own way, despite opening up a 3-0 lead within a barnstorming opening 10 minutes.
Merstham's David Graves put through his own net to open the scoring after just four minutes after a teasing run and cross from the left by Tom Pett, and a minute later Peter Dean pounced on some more sloppy defending before finishing with aplomb from the right hand edge of the area.
Dean then turned provider on 10 minutes when his ball in from the right was dummied by Pett for Richard Jolly to finish in style, and before the hosts had chance to gather their thoughts, it was 4-0 on 19 minutes when Jolly broke down the right and crossed for Dean to finish beautifully.
Rikki Banks tipped over a deceptive bouncing shot from Luke I'Anson as Mertsham finally got a sight of goal, but the Stones keeper could do nothing on 28 minutes as former Staines Town striker Mark Nwokeji rounded him to pull one back.
Suddenly the momentum was with Merstham, with Banks and Wes Parker combining to keep out Nwokeji and Liam Wright before Banks saved well from an I'Anson free-kick.
But the Stones were still looking for more, Pett's shot from the left coming back off the inside of the far post, Alex Dyer blocked by home keeper Paul Agu and Chris O'Leary just wide with a 25-yard belter.
Banks then saved from Wright but Fabio Soraira netted from the rebound two minutes before the break, and so begun a period of Merstham pressure which saw Wright fire just wide, while immediately after the interval, Banks made two vital stops.
A goal for the hosts at this stage would have made things difficult, but Wealdstone gradually got back on top, with Agu pushing wide a belter from Dyer before saving Jolly's effort from a Lee Chappel pull-back.
Dean then had a lovely heal from Dyer's cross disallowed for offside, but Dyer made sure of the win on 77 minutes by finishing off a brilliant passing move culminating in a neat one-two with Jolly in the Merstham box.
There was still time for Pett to once more hot the post, but the diminutive winger got the goal his performance deserved in the last minute, scoring from the rebound after sub Shabazz Baidoo miscued from Dyer's pull-back.