Aquarium Fish

Visi-Jet-PS Protein Skimmer

The Visi-Jet-PS Protein Skimmer made by Aquarium Systems was designed for smaller saltwater tanks, typically for aquariums up to 70 gallons. It utilizes a venturi type injector system to mix air and the tank water to create the fine bubbles needed for protein skimming. It is designed for in tank use and has a fairly sleek profile when compared to other skimmers. There are two items that need adjusting in order to get this unit to work properly. The first item is the water flow valve which can be adjusted from 20 gallons/hr up to 90 gallons/hr. The other item is the air flow valve which is simply a screw that you turn to regulate the amount of air entering the skimmer from outside the tank. To use this unit effectively you have to tweak both of these valves in order to reach the right amount of air and water flow. Too much air and you'll get tiny bubbles coming from the bottom of the unit. Too much water flow and you'll get water coming into the collection cup. Unfortunately, it took quite a while to get what seemed the proper settings for these two valves.

Visi Jet Protein Skimmer

Once we did get the Visi-Jet-PS Protein Skimmer adjusted correctly we were able to get a decent amount of skimmate (the brown junk skimmed off) in the collection cup after a few days of operation.


  • Cheap price (usually $30 - $50)
  • Slim profile for in tank use
  • You can regulate the amount of water flow
  • Easy access to the collection cup for cleaning


  • You have to put it inside the tank
  • Difficult to adjust the air and water flows correctly

Overall, we give the Visi-Jet-PS Protein Skimmer 3 stars

Author : Mike FishLore

Rating Information
Review Title: Visi-Jet-PS Protein Skimmer
Reviewed by: Mike FishLore
Summary: Review of the Visi-Jet-PS Protein Skimmer.
Description: The Visi-Jet-PS Protein Skimmer made by Aquarium Systems was designed for smaller saltwater tanks, typically for aquariums up to 70 gallons.
Rating: 3 out of 5 stars.

Visi Jet Protein Skimmer Comments

From: Stefan
You get what you pay for and this unit is terrible! After a while it clogs every few days. Not only is it difficult to tweak -- you have to keep tweaking it every couple of days. I got it because I was tired of messing with air-stone PSs for my mini reef, but I may just go back to changing the air stone every month -- less hassle. (Would get a better hang-on PS, but I have an Eclipse hood.)

From: Mike
This product is a piece of junk! I wouldn't recommend it to my worst enemy. I couldn't get the air/water flow right so I turned the air valve off and put an air stone in and adjusted the flow to about half. Seems to be working fine now. Oh and the zip ties for a pump mount is just lazziness on the engineering of this skimmer.

From: Brenda Truitt
Had this skimmer for a month now and haven't been able to get it to work. Can't figure it out ... especially the air valve filter. The company said to turn it, but no results. My nitrates are too high; I guess I'll send it back and get something else.

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