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CO2 Special-Indicator

Spare ampoules for CO2 long term tests
  • for 5 months
  • Incl. color comparison chart
Ready-to-use CO2 special indicator, which is not mixed with aquarium water, but used pure – for highest measuring accuracy.


Product information

Product name CO2 Special-Indicator
Article number 3041
Water Type Freshwater

Delivery scope


Types of aquaria

Beginner Guide – Part 1

Beginner Guide – Part 2

Beginner Guide – Part 3

Expansion stages for a compressed gas system

What do I need carbon dioxide for?

Overview of aquarium energy consumption