HYDROS Triple Optical Water Level Sensor3 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.

The Ultimate Aquarium Power Manager for System Critical Equipment

The ideal setup for the Yellow Wrasse will be a well-established saltwater aquarium of at least 50 gallons in size with a tight-fitting lid

there should be almost no flex to the cartridge

from small sealed lead acid batteries to large arrays of boat batteries

Contact poison control center if ingested

follow the instruction of recommended dosing

New Life Spectrum Regular Pellet- ALGAE MAX- 300g

and more by adding a HYDROS WiFi Power Strip or HYDROS Smart Plug (both sold separately)

Single-Use 35 PPT Seawater Reference

Our pharmaceutical-grade freeze-drying techniques allow us to give you a product as close to fresh daphnia as humanly possible

Contains required cationic trace elements

and 2-carboxy-3-keto-D-arabinitol 1