As water pressure changes, the volume of air in a bladder. pressure tank contracts and expands. Periodically, the amount. of air in the tank should be measured and the tank recharged if. the air is too low. Bladder pressure tanks do not provide any. useful water storage capacity.
Add Image. Exotic Materials are the strange and unusual elements produced by science, nature, or some strange alien force. Such materials could be alloys, isotopes, chemicals, and such.
A remnant that almost seems to have a life of its own. An Exotic Shard is a Material in Destiny and is used for upgrading gear. Exotic Shards are used for the final upgrade on exotic weapons and armor. Exotic Shards can be obtained by purchasing them from Xur for 7 Strange Coin or dismantling exotic gear.