There was some humidity and the soluble coffe (from a popular brand) compacted in the glass canister, so after doing a little pick work I had the great idea of

There was some humidity and the soluble coffe (from a popular brand) compacted in the glass canister, so after doing a little pick work I had the great idea of putting it in the microwave (to remove all the water and have a coffee powder again, Easy peasy). To my surprise the result was worse, all melted into a sort of really sticky chocolate tar. It seems that everything has sugar added currently.