Glass CO2 Indicator

ISTA Glass CO₂ Indicator

Maintain the perfect balance in your planted aquarium with the Glass CO₂ Indicator from ISTA—a simple yet highly effective tool for monitoring dissolved carbon dioxide levels in real time.

Designed for aquascaping enthusiasts and planted tank keepers, this elegant glass indicator provides a continuous visual reference of CO₂ concentration in your aquarium water. Using a color-changing solution, it helps you quickly determine whether CO₂ levels are too low, optimal, or too high—supporting healthier plant growth and safer conditions for fish and shrimp.

Its clear glass design blends seamlessly into any aquascape, offering both functionality and a clean, minimalist aesthetic. Easy to install and maintain, it provides constant feedback without the need for complex testing kits or guesswork.

By helping you fine-tune CO₂ injection, the ISTA Glass CO₂ Indicator supports stronger plant growth, improved oxygen balance, and a more stable aquatic environment overall.

Key Features

• Continuous visual monitoring of CO₂ levels

• Color-changing indicator for easy interpretation

• Helps optimize plant growth and aquarium health

• Sleek glass design blends into aquascapes

• Simple to install and low maintenance

Achieve a healthier, more vibrant planted tank by keeping your CO₂ levels perfectly balanced with precision and ease.