Hygger Nano Drop Checker with Solution

Overview

Dial-in CO2 with a quick visual read. This compact glass drop checker continuously indicates dissolved CO2 via color shift so you can fine-tune injection for lush growth without stressing livestock.

Features

• Continuous monitoring with color-changing indicator solution
• Curved, high-clarity glass blends into the aquascape
• Easy placement with suction cup—position for optimal viewing
• Works with pressurized or DIY CO2 on freshwater planted tanks
• Non-toxic solution for safe, routine use

How to Use

Add 15–20 drops of the supplied solution to the checker, rotate to fill the bulb, then mount it upright in the tank away from the diffuser’s immediate outflow. Read colors after equilibrium (blue=low, green=target, yellow=high).

Specifications

• Model: HC012
• Checker size: approx. 2 in height
• Package dimensions: 6.5 x 3.94 x 1.57 in; weight ~2.9 oz
• Materials: Glass checker; indicator solution included
• Mounting: Suction cup

What's Included

• 1x Glass drop checker
• 1x Indicator solution
• 1x User manual

Notes

Do not place directly above the diffuser outlet. Avoid rapid temperature changes or impact to prevent glass breakage.