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Originally Posted by slief
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Hey Slief, Thanks for these links. This is most helpful. I checked and the pump heads support LS17 (1/4" inner diameter) tubing. They also support the slightly larger LS18 (5/16" inner diameter) tubing.
Should I consider the LS18 tubing since this is for water changes? I figure the fewer RPMs needed, the better. Perhaps 17 just works better for water changes with regards to vacuum or something along those lines?