Ista Glass CO2 Indicator Under Gravel Filter 0 mg/kg MIN * Not

0 mg/kg MIN * Not recognized as an essential nutrient by the AAFCO Dog Food Nutrient Profiles

A special drying technique is used on fresh mealworm larvae to ensure that all nutrients remain intact

and decorating quick and convenient while keeping your inhabitant safely enclosed

This filter provides the option of using heater clips

Ista Glass CO2 Indicator Under Gravel Filter 0 mg/kg MIN * NotQuick Overview Accurately and easily measure CO2 Elegant design High quality glass Glass CO2 Indicator The ISTA Glass CO2 Indicator effectively and accurately monitors CO2 levels in your freshwater tank. Achieve appropriate CO2 levels in your tank to reduce harm and stress to your fish. Glass CO2 Indicator includes suction cup for ease of use. Easy to read colour changes make knowing how to adjust the CO2 levels in your underwater world a breeze.