Aqua Lifter AQ-20 Dosing Pump

8 Reviews
SKU: 215699
Manufacturer: Koller Craft
MPN: 1137

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This unique one-of-a-kind dosing pump is designed to pump water up to 30" high and at a flow rate of 3-1/2gals per hour. Ideal as a dosing pump for reef additives, drip systems for reptiles terrariums and as a circultating pump for gravity fed siphons. ETL (UL) listed. Convenient Holder, (sold separately), secures the Aqua Lifter to the tank frame allowing for the tubing to be held in place.

The Aqualifter pump is also excellent for starting, and maintaining, syphon in hang on the back style overflow boxes.


Koller Craft
Warranty1 year
Internal Id

Ratings & Reviews

8 reviews

  • 4 stars
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A pretty good dosing pump, plus...


Not only will this unit dose calcium, alk. / magnesium, trace elements and such but its also able to keep overflow tubes free of bubbles collecting at the top of the bend.
<br>For the price its a gem. I recommend it to fill the need for dosing and someday then invest in a more expensive type.

Super dosing pump for the money


This pump is a work horse. It will pump water up to 30" high at a flow rate of 3.5gals per hour. I have mine set up to dose my aquarium with trace elements, sure makes taking care of my aquarium a whole lot easier.

Love it for the piece of mind


for the price you cannot go wrong and they work as described em

piece of mind


well I have one tank my QT tank and it has not been drilled so use the overflows that hang on the tank and these keep them from going dry which used to happen to me alot not anymore love them and for the price you can't go wrong.also nice for top offs

Aqua Lifter


Very well built and very quiet when in use. I use it for my overflow tube, can't beat it. Best part, the price is uncomonally reasonable.

Necessary Evil


The reason these are so moderately priced is that you need to buy them by the dozen. I have no less than 7 of these sitting in the junk heap. They are quiet and work great until they stop working, which is no more than a few months. (Of course, you know that they have stopped working because you lose siphon on your overflow [I have a CPR type with square corners] and your tank empties on the floor.) The owner of my local aquarium store says that everyone knows they are junk but that there aren't many alternatives. So, I have taken to just replacing it every two months or so. works.


I use this to keep air from accumulating in the siphon tube on my overflow box. It works like I expected it to. I've only had it hooked up for less than a month, but thus far, I would recommend it.



I have had mine for over seven years on my overflow. Has worked perfectly. Just have to make sure tubes stay clean it will for a long time.