Cal Aqua Labs' Nano is hand-crafted from the highest quality laboratory-grade borosilicate glass.
Fast response time
Easy to install and read
Supplied with 15ml Indicator Solution (4dKH). No mixing nor preparation required.
Perfect for aquariums 1-15 gallons
Supplied with one suction cup and 15 ml Indicator Solution.
Approximate size of unit without suction cup: 3 cm x 3 cm (W x H)