The Original MJ multi-use submersible pump and power head is built to perform and last under the harshest conditions. Ideal for wave makers, protein skimmers, calcium reactors, nano aquariums, under gravel filters and hydroponic a...
Cobalt Aquatics Neo-Therm 25 Watt Aquarium Heater
The Cobalt Aquatics Neo-Therm electronic heaters have an impressive accuracy of ±0.5ºF. The electronic thermostat has an ultra-fast response time that helps to keep the temper...
Cobalt Aquatics Accu-Therm 25 Watt Aquarium Heater
Fully submersible heater
Easy temperature setting
Computer tested, accurate ±2°F
Triac equipped thermostat
Borsilicate glass for superior heat and shock res...
The only pump in its class that features integrated 5/8” hose barbs and locking rings, the Cobalt Aquatics E-X-T inline pump’s unique design can be installed internally or externally. It can be positioned to push or pull water thr...
The all new Cobalt Aquatics Easy-Therm fully submersible heaters feature a modern, flat design, and a simple to set thermostat with easy to see ON/OFF indicator lights. The positive clicking thermostat is equipped with a Triac tha...
The Cobalt Nano-Flow 2,600 prop pump creates large and wide laminar water flow rated at 686 gph with only 4 watts of power consumption! Perfect for small reef or planted aquariums to create vital current and to eliminate dead spot...
The Cobalt Egg Rocker 65 and 80 are the ultimate fish egg hatching systems. The innovative design is incredibly sophisticated and easy to use at the same time. Self standing legs keep unit upright on counter while harvesting eggs....