I HAVE FOUND THAT I CAN GET ABOUT 6 WEEKS OR SO LIFE OUT OF MY WALKAIDE ELECTRODES INSTEAD OF THE 2 WEEKS THAT I WAS GETTING USING THE METHOD WALKAIDE HAS IN THE INSTRUCTIONS. JUST USE A LITTLE BIT OF WATER TO RUB ON THE ELECTRODES (TOO MUCH AND THEY WILL COME APART) AND COVER THEM WITH A ZIPLOCK BAG. JUST PUT IT FLAT OVER THE ELECTRODES, JUST LIKE YOU DO WITH THE PLASTIC PIECES THAT YOU GET WITH THE ELECTRODES. JUST PRESS THE BAG DOWN OVER THEM SO THAT THEY SEAL UP. LESS AIR GETS TO THE ELECTRODES SO THEY DON'T DRY OUT AND DETERIORATE AS QUICKLY.