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  • Red Sea Fish Pharm ARE50020 17-Inch Berlin Air Lift Protein Skimmer for Aquarium, 90-Liter
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Red Sea Fish Pharm ARE50020 17-Inch Berlin Air Lift Protein Skimmer for Aquarium, 90-Liter


Price: $58.26 & FREE Shipping. Details
Only 18 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
  • Berlin air-lift is a high performance, low cost internal skimmer based on the berlin triple-pass principle
  • The triple-pass is combined with a powerful venturi air injector, greatly enhancing the efficiency of the skimmer
  • The air bubbles move down the chamber by the force of the water current until reaching the air return skirt located at its base
  • The air-lift is powered by a lime wood air-stone attached to an external air pump, these compact units are easy to install and maintain
  • Measures 17-inch height by 4-inch diameter
7 new from $48.43
$58.26 & FREE Shipping. Details Only 18 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

Red Sea Fish Pharm ARE50020 17-Inch Berlin Air Lift Protein Skimmer for Aquarium, 90-Liter + Red Sea Berlin Airlift Air Stones (3/pk)
Price for both: $71.21

Buy the selected items together


Product Description

Red Sea berlin air-lift is a high performance, low cost internal skimmer based on the berlin triple-pass principle. The air-lift is powered by a lime wood air-stone attached to an external air pump, these compact units are easy to install and maintain. The triple-pass is combined with a powerful venturi air injector, greatly enhancing the efficiency of the skimmer. Air bubbles and protein rich water are concentrated in the narrow inner tube, ensuring good mixing and maximum surface contact. The air/water mixture swirls up the inner tube into the wider reaction chamber, causing a relaxation of the turbulent water and separation of the protein rich foam at the water surface, which rises into the collection cup. The air bubbles move down the chamber by the force of the water current until reaching the air return skirt located at its base. The skirt effectively enlarges the diameter of the chamber, eliminating the downward force on the air bubbles. The bubbles then rise up through the chamber against the downward flow of the water (counter current), causing great turbulence and increased contact time. The venturi air injector produces a consistent quantity of fine air bubbles, ensuring a large surface area for collection of waste materials. Rated for 350-liter/90-gallon aquariums. Measures 17-inch height by 4-inch diameter.

Product Details

  • Product Dimensions: 18.2 x 4.3 x 4 inches ; 1 pounds
  • Shipping Weight: 15.2 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B000N3R7RS
  • Item model number: 306074
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (9 customer reviews)
  • Amazon Best Sellers Rank: #99,708 in Pet Supplies (See Top 100 in Pet Supplies)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

4.2 out of 5 stars
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Most Helpful Customer Reviews

6 of 6 people found the following review helpful By Manfred K. Dulle on July 12, 2013
Verified Purchase
A great skimmer .. Needs excellent pressure air to work extremely well.. I have mine in my sump and it is set to provide a really dry foam skimate.. I also love the overflow hole and have that hooked to a 1 gal jug, so in case the skimmer cup fills up, it automatically drains into jug..
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3 of 3 people found the following review helpful By gorens cristof on April 4, 2014
Verified Purchase
I am very happy with my Red Sea Berlin Air Lift Skimmer .
I give it 5 stars. it works great. thanks
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1 of 1 people found the following review helpful By Garrett on October 27, 2013
Verified Purchase
Very happy with performance of skimmer works well and does the job awesome hope this review helps I'm using it on a 14 gallon nano tank with 4 fish 2 inverts
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1 of 1 people found the following review helpful By RRS on August 6, 2014
Verified Purchase
Does a decent job but getting the setting for the air stone is trail and error. Now that I have it set right, it is producing dark skim.
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2 of 3 people found the following review helpful By Ben on August 1, 2013
Verified Purchase
I have been using this skimmer for about 6 months now and really haven't had any problems with it. It tries to overflow when you first use it but if you wait a few days it will adjust itself. The only downside is that you cannot find any lime-wood air-stones that will fit it at any local fish stores. You have to find them online. Overall I am very happy with the skimmer and will be ordering another soon!
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Red Sea Fish Pharm ARE50020 17-Inch Berlin Air Lift Protein Skimmer for Aquarium, 90-Liter
This item: Red Sea Fish Pharm ARE50020 17-Inch Berlin Air Lift Protein Skimmer for Aquarium, 90-Liter
Price: $58.26
Ships from and sold by Amazon.com
Want to discover more products? Check out this page to see more: aquarium sump