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.
One pound of Sodium Dichlor is equal to six gallons of household bleach. One teaspoon of this product will sanitize a 100 gallon tank. When you are initially cleaning a tank use 1-2 teaspoons per 100 gallons of water. Let the solution sit for 3 hours. Run the faucets one at a time to ensure the treated water is going through the system and dump the system like you would using any other method. Open the fresh water tank valve to speed up the draining.