Directions: Purchase, Take Home, Throw Away.

When you think about it, Liquid Plumber is a pretty unique product.  It's really the only product that you buy at the store and throw away without really using it first.  Food is useful because you eat it.  Toilet paper and tissues are usually thrown out relatively shortly after purchasing but there is a stop at the ass and nose respectively prior to it's disposal.  But Liquid Plumber Drain Cleaner is just trash in a bottle when you think about it.  You buy it at the store, take it home, and dump it directly down the drain.  What a waste!