At the time of the persecution of Christians in Rome many sought refuge in Iran and were given protection by the Iranian rulers. Though thousands of Persians embraced Christianity, Persia remained Zoroastrian with many adhering to the Cult of Mithra.
The average cost to refill a propane tank will depending upon the size of the tank, the geographical location, and the company doing the job. On average, a 10 pound tank is going to cost anywhere from $12 to $22 per tank. A 20-pound tank can cost upwards of $29 to $40 per tank to refill. A 100-pound tank can cost upwards of $65 to as much as $80 per tank. This is much cheaper per pound and will last a lot longer. Keep in mind that most stores will have a limit on the amount of propane that they can refill at any given time.
Water Capacity). This is the weight of the tank if it were filled with water (yes, water). The typical 20-pound (5-gallon) barbeque grill tank would hold 47.6 pounds of water. Regulations limit the propane level to not exceed 42% of the water capacity of the tank. Long story short â the safe maximum weight of propane in a typical barbeque grill tank is 20 pounds (42% of 47.6 or 47.8 pounds).