Note that this product requires pre-order

drop ball tester

It is the color of the liquid that confirms the CO in the fish tank ₂ concentration glassware. Put reagents and fish tank water in the tester, and as long as it is installed in the fish tank, the color of the liquid changes to blue, green, and yellow according to the amount of CO2 added and the photosynthesis amount of aquatic plants. as CO ₂ The standard of addition amount is most suitable.

※A 5ml pH reagent is included
※The pH value of the fish tank is very low, and if it turns yellow at first, the color of the liquid will not change even if CO2 is added. In this case, please change the water in the fish tank, increase the pH value, and install it in the fish tank after the color of the liquid turns green.

Drop Checker

A glass-made instrument created specifically for examining the CO ₂ level of aquarium with simple procedure. Add some pH reagent and aquarium water to Drop Checker. Then, set it inside the tank .

* Includes a pH reagent (5ml)
* In case the reagent turns yellow from the beginning, due to the low pH value in the aquarium, the reagent color does not change even after adding further CO ₂ . In such a case, please make a water change for raising pH level, and make sure the reagent turns blue or green before resetting Drop Checker in the aquarium.