Fluval Nano Aquarium Heater 25watt

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  • Shatterproof
  • Preset temperature of 76-78° F
  • Slim, Compact Design

If you're looking for an easy to use heater for your betta or nano tank - the Fluval P25 heater is a great choice. It is fully waterproof and is designed to be completely shatterproof as well which keeps both your tank and livestock safe. Because it is compact and doesn't take up much room, it is easily positioned to fit almost anywhere in the aquarium. 

The Fluval P25 heater is intended for use on tanks 6 gallons and under. It is preset to maintain a temperature of approximately 76-78° F. When the heater is running, the led indicator on the front will light up.

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Customer Reviews

Based on 52 reviews
83%
(43)
6%
(3)
8%
(4)
2%
(1)
2%
(1)
F
Forrest (Lucedale, MS, US)
Nice quality.

I purchased this for an 10 gallon feeder snail breeding tank. No problems with it and it has been several months into the purchase.

A
Amber S. (Sarasota, FL, US)
Very nice heater

I ordered this for my 5 gallon tank that houses my Betta, two mystery snails, and some ghost shrimp. Unfortunately, the item I received heated my tank to 82 degrees. I contacted customer service and they were very quick to respond. It sounds like the item I received was just calibrated incorrectly, but they sent out a replacement immediately and that heater is working great and maintaining my tank at 79-80 degrees. Great product and amazing customer service!

H
H. K.L. (Madison, AL, US)
Great little heater.

Using it to heat my 5 gallon snail tank that's on a windowsill, and it's been doing a good job at keep the water temp steady at 78 degrees. I have this heater on a thermostat in another 5 gallon and I have no complaints.

K
Kim T. (Bellingham, WA, US)
Steady Temperature

Currently using it in my 5 gallon tank. Temperature is consistently 79 degrees. The heater is black and very inconspicuous; you can barely see it in the back of the tank (tank does have black paper behind it).

M
Marjorie G. (Kalispell, MT, US)
Heater

Works great! Would recommend!