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The Dennerle CO2 Long-Term Test is used for permanent and direct CO2 measurement in Mg/l. The long-term tests are available in mini and maxi versions and can be used for all aquariums. All Dennerle CO2 long-term tests are made of high-quality crystal glass.
- Visually appealing
- Made of high-quality crystal glass
- For all aquariums
- Mini or Maxi version