Characteristics: Bismuth is a brittle, silvery-green metal that has a low melting temperature and high specific gravity. Being both stable and non-toxic, bismuth is often used as a replacement for toxic metals such as antimony, cadmium, lead and mercury.
1 (Minimums vary by location and tank size, and can range from 100-1,500 gallons.) More often, the propane company charges a fee of anywhere from $25-$250 a year but averaging around $75-$130 annually, depending on local rates, the size of the tank and whether it's aboveground or underground.
On the basis of the US Energy Information Agencyâs weekly average propane prices during the 2011-2012 heating season (October to March) it cost between $1,100 and $1,150 to fill a 500-gallon propane tank but tanks typically store 120, 250, 500 or 1,000 gallons of propane so the easiest way to determine how much it will cost to fill your current or ...