I love my aquamaxx co3 is very consistent, I don't have to adjusted it just keep working, for me so far is the easiest and most efficient skimmer I had, and I changed skimmers 3 times already in 2 years, And I have lots and lots of fishies on that tank,and keep my water and glass clean,my best skimmer ever, I'm actually going to buy one more for my other tank.just my 2 cents. Good luck with your new build.