The 6 Best Dosing Pumps

This Review has been updated 6 times since it was first published in January of 2019. An automated dosing pump is a useful tool that helps keep your aquarium’s inhabitants healthy and thriving. In reef tanks, these systems ensure that invertebrates receive a proper supply of the calcium and magnesium they require. In freshwater environments, they administer essential nutrients needed by plants for growth. Here we rank these devices for reliability, ease of operation, and price. When users buy our independently chosen editorial picks, we may earn commissions to help fund the Review. Skip to the best dosing pump on Amazon.

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The 6 Best Dosing Pumps

The four-head Jebao DP-4 helps keep your tank’s parameters stable and eliminates the need for mixing supplements daily. Each channel can be programmed individually to dispense a precise amount of liquid up to 24 times a day.

  • An affordable choice
  • Some spare parts included
  • Poorly written user manual


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5. CoralBox Wifi

The CoralBox Wifi offers four sturdy pumps, and you can set each of their daily liquid volumes and more by use of the convenient companion app. It comes with everything you need for assembly, such as tubing, mounting screws, and a graduated cylinder for calibration.

  • Aluminum housing resists corrosion
  • Backed by a one-year warranty
  • Can let air bubbles into lines


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4. Neptune Systems DOS

The Neptune Systems DOS is great for adding 2-part calcium and alkalinity supplements to reef aquariums, and it’s capable of micro-dosing down to 0.1 milliliter. You can set it manually on the front of the unit or program it with a controller, which is sold separately.

  • Can perform automatic water changes
  • Variable-speed stepper motor
  • On the pricey side


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3. Eshopps Master

With the Eshopps Master, you can set the clock and the dosing times with ease in just a matter of minutes. Its microcomputer controls the two chambers of fluid with precision, and you can add up to six more channels if you purchase compatible slave units.

  • Helpful tutorial videos online
  • Made in the usa
  • For saltwater or freshwater use


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2. Kamoer X4

It’s a cinch to use the companion app that comes with the Kamoer X4 to manage the addition of nutrients to your tank from anywhere. It’s equipped with four liquid level detection inputs, as well as a helpful temperature monitoring feature with a threshold alarm.

  • Compatible with smartphones and pcs
  • High calibration accuracy
  • Handy backlit lcd


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1. Aqua Medic Evo 4

The Aqua Medic Evo 4 attaches via a wire to the external controller, which features a convenient keypad and an easy-to-read, backlit screen. It accommodates four channels, and that number can be doubled when it’s connected to an extension unit that’s sold separately.

  • Quality tested by experts
  • Quick and simple to mount
  • Self-priming design


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