When most people talk about bringing out the crystal, they are often referring to a type of glass that is made from silica, lead oxide, soda or potash, and other additives. Lead crystal is prized for its durability and decorative properties, even if it does not necessarily possess a crystalline structure.
Safe Dosage of Acetaminophen. Acetaminophen is a very safe drug only if it is used within therapeutic doses. The safe dose is 3 grams per day and the maximum daily dose is 4g per day for adults. However, the elderly who tend to have a lower body weight than younger adults should not exceed the safe dose.
6 day max for tylenol would be 24,000mg, divided into 4000 per day max. The hydro at 325 of tylenol use at 120 pills in 6 days (20 per day average)is 6500 per day at 325mg per level and 16,500 at 750mg level (I don't know your preparation, how much hydro, and how much tylenol) Both are too much tylenol per day.