Rhinox Glass Drop Checker Kit for Planted Aquarium CO2 Levels
Rhinox glass drop checker kit for planted aquarium CO2 levels, a simple visual indicator for CO2 injection.
Price range: See on Amazon
What we liked
- + Simple color indicator shows whether CO2 is too low, correct or high
- + Glass construction lasts longer than plastic checkers
- + Compact design sits discreetly on the tank wall
Trade-offs
- - Check whether reagent solution is included before ordering
- - Readings are slow to respond after changing bubble rate
Prices change often, so check the current price and availability on Amazon.
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