CAL AQUA LAB's Nano drop checker is designed specifically small or nano planted aquariums. Measuring approximately 3 x 3 cm, it is small enough to appear unobtrusive, yet large enough to provide a clear and accurate reading.

The CAL AQUA LAB's Nano is hand-crafted using only the highest quality, laboratory-grade, borosilicate glass for maximum strength, durability, and visual clarity. Each piece is unique.

• Fast response time
• Use to measure CO2 levels at-a-glance.
• Designed specifically for nano aquariums.
• Perfect for aquariums 1 to 15 gallons

Included:

• One (1) Suction Cup
• One (1) Bottle of CO2 "Indicator" Solution (15 mL)
• Instructions for use