The Red Sea ReefDose 2 Replacement Electronic Board is the official OEM electronic control unit for the ReefDose 2 dosing pump system. This component serves as the central processor or 'brain' of the doser, managing all automated functions, scheduling, and connectivity with the ReefBeat app. It is designed as a direct replacement part to restore a malfunctioning or damaged ReefDose 2 to its original factory performance without the need to purchase an entirely new pump.

As a genuine Red Sea part (R35347), this electronic board ensures seamless compatibility and restores all the advanced features of the ReefDose 2. It governs the high-precision stepper motors, facilitates wireless communication for programming, and executes complex dosing schedules with pinpoint accuracy. Installation allows the doser to once again perform its critical functions, such as dynamic dosing queues and automatic adjustments, which are essential for maintaining stable water parameters.

This replacement board is specifically intended for aquarists who already own a Red Sea ReefDose 2 and are experiencing electronic failure. It offers a cost-effective and practical solution for DIY repair, enabling reef keepers to quickly get their automated supplement dosing back online. For hobbyists who rely on precise and consistent element additions, this part is crucial for protecting their reef ecosystem and avoiding the higher cost of a full unit replacement.