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Stainless Steel Tanks

Stainless steel (aka inox steel) is derived from the word “inoxydable”. Unlike other steels, will not readily corrode, rust or stain from moisture. The main difference between stainless steel and carbon steel is a chemical element called chromium. Chromium provides a protective shell the neuatralised oxygen seeping into the metal’s surface and causing it to oxidise.

There are also different grades of stainless steel. Some provide much greater resistance against marine environments, while others will still corrode from the salty air and if placed in sea water. Nonetheless, the strength and higher durability of stainless steel it is an often desirable more expensive option.

It is important to understand that while stainless steel is highly stain resistant that it can still be stained and receive corrosion in the form of pitting. Depending upon the grade, stainless steel should be kept away from chlorine and salty sea water. Furthermore, corrosion can occur at the joints, rivets or screws with possible dangerous repercussions on your water quality. Incorrect welding can also neutralise the protective element in the stainless steel allowing rust and corrosion to occur.