Clip nano glass drop checker is designed specifically for hanging on the aquarium rim. Its low visual profile minimizes distraction from your aquascape
The unique Anti-Wicking-Design avoids water leaking out due to capillary effects when you fill your tank to the top
Highest quality laboratory-grade borosilicate glass and artistically hand-blown
It consists of a pre-made 4dKH solution containing the appropriate amount of indicator. Easy to use, no mixing required. Just fill the carbon dioxide monitor drop checker 2/3 full of indicator solution and hang it on the aquarium rim.
Complete kit includes: 1x glass drop checker, 1x bottle of pre-mixed indicator solution (15 mL / 0.5 fl oz), 1x pipette