Diffuse Glass CO2 Drop Checker for Aquarium

Keep planted tanks healthy with the CO2 Drop Checker. The diffuse glass indicator changes color to show CO2 levels in your aquarium water. Hang-On design keeps the indicator visible along the glass for quick reference. The glass is corrosion resistant, simple and elegant.

Product details

• Shapes available: Musical note, Ball, Water drop, Hook
• Test solution capacity: 15ml
• Indicator colors indicate CO2 levels

Color guide

• Blue: low CO2
• Green: normal CO2 for safe plant photosynthesis
• Yellow: high CO2 levels can be harmful to fish and shrimp

Why choose this

• Corrosion resistant glass
• Simple and elegant design
• Four indicator styles to match your tank

Usage tips

• Replace the test solution monthly
• Hang on aquarium glass for easy viewing
• Use as part of a CO2 monitoring routine for aquatic plants

Buy now and keep CO2 balanced for healthy plant growth and fish safety.