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Originally Posted by Dave
There is no AL exposed to the liquid, except one bearing case, which needs AL for proper support. All the "insides" of the pump is plastic except stainless steel shaft and jeweled bearings.
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I guess the Ceramic shaft didn't take huh? re: Ruby bearings.
My "old" Powerhead has a stainless steel shaft. When I modded it, I replaced the "corroded" SS shaft, they can corrode. I don't remember off-hand.... doesn't SS react with Cu or is it Alu?
Perhaps Anti-corrosion additives is a must with this pump?