Pre-made 4DKH solution: Ensures accurate and consistent CO2 measurement without manual adjustments
Easy fill-and-read process: No mixing or preparation required for immediate use
Color change indicator: Deep green for optimal CO2, blue or yellow for too low or too high
Portable and installable: Place inside the aquarium for real-time monitoring
Monthly replacement recommended: Maintains accuracy and reliability
Summarized by Shop
Aquarium CO2 Drop Checker Solution 15ml.
It consists of a pre-made 4dKH solution containing the appropriate amount of reagent. No mixing nor preparation is needed for its easy use. Simply open the bottle and fill the CO2 drop checker.
Fill the drop checker 2/3 full of CO2 Drop Checker Solution (about 25/30drops)
Now invert it, being car
Volume
15 ml
Solution Type
4DKH indicator
Suitable for Water Type
Freshwater and saltwater
Installation
Place inside aquarium, mount on front glass
Replacement Frequency
Minimum once a month
Summarized by Shop
5.0
6 ratings
5
4
3
2
1
Great Product
I really love the CO2 Art product line. Everything is top quality
J
JOHN · March 17, 2023
CO2 setup
Very happy with my whole CO2 setup. My plants are doing better than I expected