The skimmer is a reef octopus NS80 I believe. The main issues I am having is 1) I am not sure how to adjust the air flow to prevent the cup from filling with water. I am open to any suggestions and have not been able to locate a NS80 manual online. Thankful for any help anyone can offer. Reefmedic79. 10/26/2012, 03:34 PM. I'm on my phone so Reef Octopus Nano NS80 Protein Skimmer is rated up to 25 gallon aquarium. FS NS-80 Reef Octopus Nano Skimmer FS NS-80 Reef Octopus Nano Skimmer. By Lawnman, October 16, 2009 in Hardware Classifieds. Recommended Posts. Lawnman Lawnman Go away! 30,763 posts; May 28, 2009; Posted October 16, 2009 (edited) I have for sale a New well I am going to call it new because I used it for a few days and decided to go skimmerless The Reef Octopus NS80 Nano Skimmer is a small protein skimmer with some of the great features found in larger skimmers. It is equipped with a bubble diffuser, solid mounting bracket, and an easy to use raiser pipe to control the internal water level in the skimmer - all in a small footprint. Reef Octopus has designed a nano protein skimmer that incorporates some of the excellent design features of protein skimmers for larger aquariums. Toggle menu. Reef Octopus NS80 Nano Protein Skimmer. Reef Octopus NS80 Nano Protein Skimmer Reef Octopus $80.84 New (4) from $79.77 & FREE Shipping. +. +. This item: Reef Octopus NS-80 Nano Protein Skimmer. $79.77. Only 7 left in stock - order soon. Sold by Reef Specialty and ships from Amazon Fulfillment. Get it as soon as Sunday, Jun 19. Instant Ocean Reef Crystals Reef Salt, Formulated Specifically for Reef Aquariums. Great condition Reef octopus ns80 protein skimmer. Cleaned and retested after recently removing. $35 shipped. Home. New posts Trending Search forums Unanswered threads Today's Posts. Forums. New posts Trending Search forums Unanswered threads Today's Posts. Calendar. Monthly Weekly Agenda Archive. Just doing a little video on my new Reef Octopus ns 80 nano protein skimmer leave some comment below and subscribe for more videos