This is our choice nano aquarium heater under 5 gallons.  The Marina Nano Heater is pre-set to maintain 78 degrees Fahrenheit making this an easy to use heater.

This Marina heater comes with a 2 year warranty.

 

Marina Nano Aquarium Heater 25watt

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This is our choice nano aquarium heater under 5 gallons.  The Marina Nano Heater is pre-set to maintain 78 degrees Fahrenheit making this an easy to use heater.

This Marina heater comes with a 2 year warranty.

 

Customer Reviews

Based on 12 reviews
92%
(11)
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A
A.P.R.
Great heater

Great small heater for my nano aquarium

M
M.B.
Great

This was exactly what I needed.

N
N.D.
Perfect travel heater

The title may be a little misleading, but this heater came in clutch when I was heading out to a frag swap in Vancouver, WA. I wanted to make sure that I not only brought frags, but that I brought them looking as good as possible. I purchased this heater with the USB Nano Pump and it made for the perfect traveling aquarium (I had to use a power inverter hooked up to a separate battery in my car to power the heater). The heater and pump did it's job and I scored a solid $160 off of purchases that day because of it. Thanks Aquarium Co-Op!