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the Hydra Edge introduces its carefully crafted all-channel output: Solar Blue
the controller runs completely silent
With full control at your fingertips
The aF4 operates as a stand-alone piece of equipment
The AI Blade™ Glow utilizes the latest LED technology from leading manufacturers
HYDROS Water Level Sensor free shipping only the Hydra Edge introduces itsThe HYDROS Water Level Sensor is an optical sensor you can use for a variety of aquarium applications, such as sensing when your tank needs to be topped off or to detect when a dosing container needs a refill. It plugs into any Sense Port on a HYDROS device (like the Control XS, X2, X4, etc.) and does not require any additional power source. The HYDROS Water Level Sensor contains no moving parts that can fail. Its extremely tiny: its a little over a
US$ 25.95
US$ 14.99
US$ 39.95