€7.95*
Available, delivery time: 1-4 days
- Does not change the colour
- For all dual chamber long-term tests
- Perfect for the optimum CO2-content in the aquascape
- Reliable determination of the CO2-content
The CO2-reference solution DRAK is filled into the reference chamber of the double-chamber CO2-checker. The chamber is then sealed. The reference solution only works in contrast to the indicator liquid. It cannot be used alone to determine the CO2-content alone. The reference solution displays the same colour as an indicator liquid as the DRAK-Check solution for CO2 continuous tests reaches when the target value is reached in the aquarium water. If the indicator liquid has exactly the same colour as the reference solution, the target value has been reached.
Suitable for indicator solutions with a target value of 20 and 30 mg/l.
Rosenstraße 22
71101 Schönaich
Germany
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