Ok if stainless steel rusts, than what do they use on the $35 grounding probes from the LFS? And what type of screws do they use in submersible pumps like the Mag series pumps? Aren't they all stainlesssteel?
Simon
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New Tank! Some LR, lots LS, some fish, big pump, fat skimmer, bright lights, and salty water!:0
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