Fiberglass storage tanks containing Sodium Hypochlorite will not have a rupture failure but typically last less than 15 years in service. Therefore, many operators will store Sodium Hypochlorite in fiberglass tanks.
Poly tanks are more economical than fiberglass storage tanks and may have a service life up to 20 years storing sodium hypochlorite. However, poly tanks may rupture in service resulting in complete spillage of tank product with expensive environmental clean-up.
Therefore the risk of poly tank rupture with environmental clean-up needs to be considered when deciding to use fiberglass or poly tanks to store sodium hypochlorite.
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