NEW CO2 Drop Checker Kit - CO2 Concentration Monitoring Set


Regular price $18.99

The CO2Art Drop Checker Kit is a must-have for any aquarium with CO2 injection! Designed to suit professional's and hobbyist needs for one of the most accurate pH readings.

The Drop Checker method is a perfect visual indicator of the CO2 amount diluted within the aquarium water with the colour change of the pH reagent. When the liquid in the glass is deep green, then a safe amount of carbon dioxide has been diluted in the water column.

This excellent Drop Checker Kit contains everything you need to start monitoring the CO2 levels in your aquarium with carbon dioxide injection. Made of low iron glass it has a very esthetic look. The 15ml Drop Checker solution requires no mixing nor preparation. The packaging also includes a high-quality suction cup for a solid positioning on the aquarium glass.

Drop Checker Size:

  • Outside diameter:  1.18”
  • Height: 2.16”

Drop Checker kit installation video:



      Warranty 10 Years 5 Years
      Construction Dual Stage Dual Stage
      Integrated 12VDC Solenoid Valve
      Maximum Working Pressure 80PSI / 5.5Bar 40PSI / 2.7Bar
      Pressure Stabilisation ~ 1PSI ~ 5PSI
      Bubble Counter with integrated check valve
      Inline Atomizer Compatible
      In-Tank Bazooka Atomizers Compatible
      Standard Ceramic Diffuser Compatible
      Low-pressure Reactor Compatible
      End Of Tank Dump (EOTD) Prevention
      Adjustable Working Pressure
      CGA320 Connection Option
      Stackable Outlets X
      Multi-Diffuser compatibility X
      CO2Art delivers products with outstanding quality. And great products come with great service.
      That is why we can offer up to ’10 Year Warranty’!


      The following product receives a 10-year warranty:
      The following product receives a 5-year warranty:

      All other products receive the standard 2-year manufacturer’s warranty 

      *Please note that the warranty that CO2Art offers is non-transferrable

      In addition to our industry-leading warranties, all CO2Art customers receive lifetime:


      Scope of Warranty
      This warranty covers any defects in materials and workmanship under normal home use.
      Period of Coverage
      This warranty runs for a minimum of two years from the date of purchase. Please save your receipt.
      Failures due to abuse or misuse are not covered by this warranty. Surface coating problems caused by excessive humidity, in-use scratches or abrasions, and direct exposures to the elements are also not covered.
      Repair or replacement is the only option available under this warranty. CO2Art is not responsible for damages of any kind, including incidental and consequential damages.
      Correction of Details
      If your product cannot be repaired, we will replace your product free of charge.
      When You Need Service
      Please contact our support centre to obtain an RMA number and return instructions.
      How Country and State Laws Relates to the Warranty
      This warranty gives you specific legal rights. You may also have other rights that vary from country to country and from state to state.

      If you would like to return a product, start the process by emailing us at This allows us to see if there is something we can do before returning the product such as a feature you didn’t know about or send you a return label. We don’t require an RMA number but do ask you to contact us to initiate the return.

      Products bought from can be returned within 30 days of the original purchase date provided they are unused, undamaged and in the original product packaging. If a product does not meet these requirements we reserve the right to deny the return if we feel that it is warranted.

      Who pays for shipping? In the event an item is damaged during transit etc, CO2Art will provide you a shipping label. If you are returning an item for another reason, it is your responsibility to get the item back to us safely. If it is a high-priced item we recommend a tracking number.

      Items that go on sale after you purchase them. We will honour a sale price up to 7 days from the day you purchased your item, this is the day on which the order was placed.

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