I recently purchased an Oase Aquamax 3700 to use in my new pond. It has a
"stepped hose" adaptor which allows the attachment of 3/4", 1", 1-1/4"
and/or 1-1/2" tubing. Here's my question: I plan on using 1-1/2" inch tubing
to run from the pump to my falls/filter. Can I trim off the other smaller
sized adaptors without causing any problems. Or, I guess a better way to put
my question: Will trimming them back improve my water flow?

TIA
John