Designed specifically for aquarium use to measure the salinity of natural sea water (NSW). Most handheld saltwater refractometers available in the hobby are designed and calibrated for testing brine solution, i.e. sodium chlorid...
Easy-to-use auto top off system that is ready to go out of the box!
Includes one float sensor with magnetic mounting bracket and top-off pump.
The float sensor is enclosed in a protective acrylic enclosure to prevent snails or...
Marine Depot Single Media Reactor for GFO or Carbon
Finally, an easy-to-use media reactor that is both economical and durable!
Great for use with GFO (granular ferrous oxide), activated carbon, biological media or most typ...