warm water mixed with bleach, then warm water with bi carb, rinse again, leave to dry (make sure the bag doesnt stick together) done I advise you to buy a brush set (around £10)
I got a 2gb one from ebuyer for £35 posted. Is made by viking, holding up well so far... this looks good an is quite fast... http://www.scan.co.uk/Products/ProductInfo...roductID=255296