Cobalt 300

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    Fully submersible, ceramic aquarium heater from Cobalt Aquatics. Easy to set thermostat with ON/OFF indicator light Triac-equipped to turn heater ON/OFF at lower voltage Magnetic contacts ensure positive contact and release of the thermostat switch every time Tube made of Borosilicate glass for…

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    …Thick at Bezel 100W 29 Gallons 9 3/4" x 2 1/8" x 4/5" Thick at Bezel 150W 40 Gallons 10 7/8" x 2 1/8" x 4/5" Thick at Bezel 300W 75 Gallons 10 7/8" x 2 1/8" x 4/5" Thick at Bezel Note: 300W model consists of two connected heating elements that measure 10 7/8" x 2 1/8" x 4/5" each.   Owners Manual

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    …out any particles, recycling the water back into your system. Made from 3D printed plastic the MJ Vacuum is 100% reef safe and is built to last a lifetime!   Compatible with: Marineland Maxi-Jet Pumps Cobalt MJ Pumps Eheim CompactON 300 3/4" OD Tubing   What's Included? 1x MJ Vacuum Attachment  


    …submerged in your sump.    Pump Suggestions: We suggest a pump that can push around 300 GPH, but may vary depending on your systems requirements. We have had great success with the following pumps: Cobalt MJ1200  Sicce Syncra 1.0    Maintenance: Changing the media out of any reactor can…


    …suggest a simple heater controller like the Cobalt Neo-stat, or our preferred heater controller is a ReefKeeper Lite Controller. Any temperature control device will work, the heaters only require a grounded outlet to plug into. Three Sizes Available: 300W Deluxe – 40-80 Gallon tanks 500W Deluxe –…

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