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Quantity
1
Description
When you are injecting pressurized CO₂, finding the sweet spot is a delicate balancing act. Too little gas stalls plant growth, while too much can be fatal to your fish and shrimp. The UNS Drop Checker takes the guesswork out of the equatio...
Reviews
4.9
71 ratings
5
4
3
2
1
Very high quality. Fits rimless tanks. It's pretty small so you don't really notice it unless you know it's there.
J
John · July 30, 2026
CO2 checker
Works perfect since installed. Easy and simple directions.
J
Jackson · July 17, 2026
Safe CO2 Use
Simple and appears to work without issue. It comes with the solution.
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