Hi and thanks for all the advice. I have 2 x 17g of pectolase both use by 17/06/12, 2 x 50g yeast nutrient use by 04/10/09 & 05/08/12, 2 x 100g steriliser and cleaners with no use by date and 100 campden tablets use by 05/02/12, half a dozen sealed wine yeast sachets and a little sealed...