 He was released from Havant & Waterlooville in October 2008 having made 29 appearances, scoring twice in the Conference South, before re-joining Grays Athletic.On his second debut for Grays, Slabber scored a hat-trick in their 7–0 win at home to Maldon Town in the Essex Senior Cup.Slabber scored the only goal in Grays' 1–0 win over Ebbsfleet United on 26 December 2008, with a header set-up from a pass by Wesley Thomas.