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Review title: This stuff is a liability
Product review: I poured this down a clogged drain, and guess what it did? Nothing. Now that wouldn't be so bad, except it's not good to have concentrated sulfuric acid just sitting in your pipes. This stuff is so toxic I had to fill the sink full of water to dilute it (meanwhile it's smoking all over the place and emitting toxic fumes), then neutralize it with two full boxes of baking soda before it stopped bubbling, then spend an hour carrying pails and dumping the stuff into my back yard. All in all it took about two hours to undo the damage this thing caused, and my drain is just as bad as ever.
