Marc says a little more expensive.
My example is with 1.5" ones, $15 for the red ones at home depot, $24 something for the blue ones at BCG, not sure what its called now, one in Richmond and one in Coquitlam by J&L.
I use the red ones for things that are not as finicky, but blue for things that are difficult to tune.
My example is this system I bought, that had the protein skimmer, the surge, and the calc reactor all on one pump, makes it a little difficult to tune.
Wendell
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