XP Aqua Duetto 2 Replacement Controller Sponge & Corner Filters A single spot near its

A single spot near its pectoral fin is black and yellow

and only use this system when you are following a structured Balling dosing method

Connection: HYDROS 2-pin Drive Port

Create drip loops on every power cord before it reaches the controller

Setting Up Your HYDROS Float Switch

XP Aqua Duetto 2 Replacement Controller Sponge & Corner Filters A single spot near itsXP Aqua Duetto 2 Replacement Controller XP Aqua Duetto 2 Replacement Controller is a genuine replacement controller and sensor assembly for compatible XP Aqua Duetto and Duetto 2 automatic top off systems. It is used to service an existing ATO setup while reusing compatible pump, tubing, power, and mounting components as applicable. Duetto and Duetto 2 ATO Controller Replacement Genuine replacement part for XP Aqua Duetto and Duetto 2 ATO systems.