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EHEIM · Supplementation

CO2 Set400 without Bottle

The EHEIM CO2 SET400 is a complete reusable CO2 fertilization system for aquariums, supplied without the bottle. It includes a precision pressure reducer with manometers and precise dosing valve, a 360-degree rotating hose connection, 3 m of pressure-resistant CO2 safety hose, a safety diffuser with bubble counter and non-return valve, water test strips, and a CO2 long-term test with indicator reagent for permanent CO2 measurement.

Price: $176.31 USD

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