I'll write an expiry date on the container of course...

If the plastic is bulging/creaking its time to find some cover...

Hello. Has anyone made yoghurt on the playa? Im thinking of: Water + Milk powder + culture. ala: http://www.ehow.com/how_2112247_yogurt-using-powdered-milk.html Im thinking of using solar to heat the water in the morning.. to get it up to temp then insulating it for the rest of the day to allow it t...