This glass CO2 drop checker is used to monitor the CO2 dosing in your aquarium. Simply fill with CO2 indicator solution and the solution will change colour to indicate the level of CO2 in the aquarium water. Please note; this listing is for the glass piece / suction cup only. The full kits, including indicator solution, can also be found on the website.
Customer Reviews
Average Rating
4.6
T
Tom M.
5
14th Feb 2024
Does the job perfectly, good quality and well made.Does the job perfectly, good quality and well made.
Good quality and the sucker is strong and provides a good anchor to the glassGood quality and the sucker is strong and provides a good anchor to the glass
A
Andy R.
1
28th Mar 2022
Arrived quickly but it was broken when I opened it. Box was badly crushed. Not happy.Arrived quickly but it was broken when I opened it. Box was badly crushed. Not happy. Reply from CO2 Supermarket We're sorry to hear the parcel was damaged while in transit to you and the contents was broken. We've sent a replacement out to you for next day delivery. Please accept our appologies for any disappointment or inconvenience.
S
Simon S.
3
19th Jan 2022
Arrived broken unfortunately (got a bad knock in the post by looks of things) but CO2 Supermarket sent a replacement out without quibble and it arrived fine.Arrived broken unfortunately (got a bad knock in the post by looks of things) but CO2 Supermarket sent a replacement out without quibble and it arrived fine.
B
Bogdan I.
5
9th Sep 2020
Good quality is a glass co2 checkerGood quality is a glass co2 checker
C
Conrad W.
5
15th Jun 2019
Simple, straightforward & attractive - couldn’t ask for moreSimple, straightforward & attractive - couldn’t ask for more
M
Mr P.
5
20th Oct 2018
Straight forward easy to keep an eye on Co2 levels.Straight forward easy to keep an eye on Co2 levels.
C
Colin S.
5
1st Jul 2018
Top Quality drop checker And once again top quality service from CO2 supermarketTop Quality drop checker And once again top quality service from CO2 supermarket
C
Cyril T.
5
8th Jun 2018
Solid product and very well packaged and received quicklySolid product and very well packaged and received quickly