Our Changeover CO2 System allows you to switch between two CO2 cylinders easily, without an interruption to your CO2. This system connects two CO2 tanks with one heavy-duty flexible hose, as one cylinder empties you can switch to the second full cylinder, allowing you a longer time between trips to refill your CO2.
Change your CO2 without interruption – with our Ultimate Changeover System
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GLA Planted Tank Blog 