Almost anything made of stainless steel that is available to the average hobbyist even if salt water rated will rust some noticeably faster than others whenever possible it is best to use plastic, PVC, rubber and other like minded materials and anything stainless steel and other metal products should be rinsed off with fresh water right after use if feasible.
That being said you can get rubber encased metal hose clamps that work well as long as the rubber coating is not compromised
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 My aquarium is nothing but a smorgasbord for my cats.....
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