I've just brought the MH home from storage prior to a long jaunt through Europe in a few weeks' time. On picking it up, the leisure battery (Elecsol 110 Amp sealed Carbon Fibre, installed new in Feb 2008) voltage looked OK on the control panel and is still healthy now. However I've noticed a crumbly blue-white deposit has started to build up around the base of the positive terminal: Should I just brush it off and keep tabs on the voltage or is my forthcoming trip likely to be wrecked without an immediate replacement? All advice welcome - especially from those in MH maintenance. Thanks.