This thread (https://www.manhattanreefs.com/forum/reefs-beginners/203928-skimmer-upgrade-reef-octo-vs-nyos-vs-deltec.html) from 2017 has my exact question, namely viewpoints on these two skimmers. The OP (https://www.manhattanreefs.com/forum/members/brooklynreefers.html) went with the Reef...