The addition of ethanol, which is fully miscible in water yet, less polar than Water reduces its solubility. This reduction of solubility results in precipitation of least soluble salts first or the salt which is not soluble in solvents less polar than water.
Pole pockets on banners are something that can cause a bit of confusion. This is compounded by the fact that some companies do things differently when producing banners with pole pockets.
1 A header or heading is the part of the drapery panel that ruffles above the curtain rod right above the rod pocket.  You will need to know what size of rod you are using to order the correct size. Typically a 3â pocket will fit on decorative poles of 1 Â¼â to 1 Â½â or on a 2 Â½â continental flat rod. A 1 Â½â rod pocket will fit decorative poles up to Â¾â in diameter or on a standard white plain curtain rod.