HYDROS Triple Optical Water Level Sensor Temperature fatty acids and live brine

fatty acids and live brine shrimp you cannot easily duplicate at home

Nannochloropsis

Next-Generation Chemical Filtration Media for use in all Marine and Freshwater Aquaria

It turns out that a 35ppt solution of true seawater has the same refractive index as a 36

Hanna Checker Marine Magnesium Colorimeter HI783

HYDROS Triple Optical Water Level Sensor Temperature fatty acids and live brineThe 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 optical eye is magnetically coupled