Aqua Medic CO2 Reactor 1000

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This item has been discontinued.

Aqua Medic USA

Closed external CO2 reactor for aquaria up to 500 gal

This is a hermetically sealed reactor for the introduction of CO2 into large live plant systems. This powerful unit is designed to efficiently dissolve rising CO2 bubbles in strong counter-current water flow. The robust mounting plate enables it to be easily mounted outside the aquarium or inside the cabinet. Able to provide rapid CO2 introduction for systems as large as 500 gallons, the Reactor 1000 has proven to be a capable favorite among keepers of sizeable live plant systems. This is supplied with a strong holder. Accepts 1/2" tubing. Total height: app. 15 in; diameter app. 3 in.


  • 10.75" x 2.75"

Product Manuals & Documentation

Aqua Medic CO2 Reactor 1000

Owner's Manual available for download in Adobe PDF file format

Manufacturer Info

Aqua Medic Aquarium Supplies
Aqua Medic has been a prominent name in the aquarium industry for over 22 years. The company was founded in Bissendorf, Germany and opened a North America distribution center in 2002 to better serve hobbyists in the United States and Canada. As the company continually introduces new products from the European market into North America they also provide excellent service for all of their products and carries a wide variety of replacements parts. Their open relationship with customers welcomes suggestions and user feedback. We carry a variety of Aqua Medic aquarium supplies including pumps, protein skimmers, light fixtures and accessories.


1 year manufacturer warranty. All warranty services are provided by the manufacturer

ASTOLFO RUEDA from Bainbridge Island, WA UNITED S


Experience Level: Expert

VERY small nipples and

they restrict flow of water. It back pressurizes the entire system, might be ok for small setups but not good for ¾” or bigger plumbing/hoses. The nipples that attach to the unit are weak, and gave in to pressure from a 1200GHP pump after 2 mechanical filters and one bio. For $20 at ACE I made one it will never break or leak.

4 out of 5 found this review helpful

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Experience Level: Intermediate

Great CO2 Reactor

This CO2 reactor has been setup on the supply line of my 2080 Ehiem filter and operating for the last 6 months. My plants are looking great!

2 out of 3 found this review helpful

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Experience Level: Intermediate


The Aqua Medic CO2 reactor is built extremely strong. I've had this on my systems now for over 4 years and I must say it works as it did day one. All the hardware is built to last and has. If anyone is looking for a great reactor for saltwater I must say this is it. Cost more but there's a reason for that - you will not be replacing it next year!

6 out of 11 found this review helpful

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