Yes but you do need to also disassemble them to be sure that the upper bearing is clean. Sometimes running them in vinegar alone is not sufficient and you need to actually scrub and pick the calcium off of the parts.
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Roger Vitko
Tunze USA
"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"
Current Tank Info: 210 gallon planted tank with Altum Angelfish
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