Visi-Jet-PS Protein Skimmer

Review
The Visi-Jet-PS 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. Once we did get it 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.

Positives

• 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

Negatives

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

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