Coral Box DCA9000 pump
- Thread starter Rayzzfish
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Ron Reefman
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They are stainless steel and they will be fine in the water. Mine has been in the sump for 8 months and they look like new. But you are smart for asking the question!
I would cover them just to be safe being we don't know the grade of screws. I'm pretty sure all grades of stainless will rust or corrode in saltwater, Some soon than later. who knows they may not even be SS they may be titanium and in that case they will be fine. I would confirm what they are first by contacting Coralbox
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Arabyps
Well-Known Member
According to Scientific American it will not rest.
https://www.scientificamerican.com/article/why-doesnt-stainless-stee/
Ron Reefman
Lets Go Snorkeling!
Ultimate Member
Reef Squad
Excellence Award
Reef Tank 365
Article Contributor
Tampa Bay Reef Keepers
MAC of SW Florida
Some stainless steel is better than other stainless steel. Some will never rust, some will get a patina of rust and some really cheap stainless will rust in saltwater. But again, the screws on my pump look like new.
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