Hydros Triple Optical Level Sensor Plesiastrea This makes it particularly useful

This makes it particularly useful in tanks where algae growth can be a concern

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this pellet is devoured by any marine herbivore as soon as it hits the water

designed to keep your energy consumption low

Seriatopora guttatus - 1" Frag

Hydros Triple Optical Level Sensor Plesiastrea This makes it particularly useful3 Water Level Sensors for Added Redundancy The HYDROS Triple Optical Water Level Sensor can be used for a variety of aquarium applications, such as sensing when your tank needs to be topped off or detecting when a dosing container needs a refill. It plugs into any Sense Port on a HYDROS device (like the Control XS, X2, X4, X10, etc.) and does not require any additional power source. The HYDROS Water Level Sensor contains no moving parts that can fail.