First few years no problem. Next few years they go to cheapest supplier in China who has trace toxic chemicals on the wrapper because they bypass the final was

First few years no problem. Next few years they go to cheapest supplier in China who has trace toxic chemicals on the wrapper because they bypass the final wash process to save a few cents or their upstream supplier changes out the chemical mix to something cheaper. But you should be using Reverse Osmosis or distilled drinking water anyway given all that's going on with lack of regulation, review or enforcement.