These medications may also be used to treat thyroid cancer or other thyroid conditions. The long-term safety of levothyroxine is well established. Typically side effects only occur due to overdosage of the medication. For more specific information, consult with your doctor or pharmacist for guidance based on your specific condition and current medications.
My neighbor just puts 3-4 gal of bleach down the pipe, then waits 24 hrs. Then runs water through all the fixtures until the bleach smell is gone. He said it usually last for 1-1/2 years. Our water is relatively soft, but does have a bit of iron in it.
Clears the room almost immediately. Because it's so powerful, Liquid Ass must be used with discretion. It can take up to thirty minutes for the smell to dissipate (depending on the size of the room). Obviously, when used for pranking purposes, we recommend using it in a small room with poor ventilation. Nasty!