To completely get rid of all the algae in your swimming pool, you need to double shock your pool even if itâs just a light shade of algae. Below is the recommended a guideline for double shock treatment to your pool.
For other uses, see Tin (disambiguation). Tin is a chemical element with symbol Sn (for Latin: stannum) and atomic number 50. It is a post-transition metal in group 14 of the periodic table. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide, SnO2.
There are nine tin-bearing ores found naturally in the earth's crust, but the only one that is mined to any extent is cassiterite. In addition to the ores themselves, several other materials are often used to process and refine tin. These include limestone, silica, and salt.