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  • Cascade® Heat® 7" Aquarium Heater 25 Watt for 5 Gallon Tanks
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Cascade® Heat® 7" Aquarium Heater 25 Watt for 5 Gallon Tanks


Price: $30.80 & FREE Shipping on orders over $35. Details
Only 7 left in stock.
Sold by Lake View and Fulfilled by Amazon. Gift-wrap available.
5 Gallon 7"- 25 Watt
  • Accurately maintains the desired temperature in your tank
  • Fully submersible and can be placed horizontally or vertically in your tank
  • Easy to set and accurate to 1° Fahrenheit.
2 new from $21.51


Product Details

Size: 5 Gallon 7"- 25 Watt
  • Product Dimensions: 7 x 1.5 x 3 inches ; 8 ounces
  • Shipping Weight: 8.8 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B004TUKEZ8
  • Item model number: CH825
  • Average Customer Review: 3.9 out of 5 stars  See all reviews (95 customer reviews)
  • Amazon Best Sellers Rank: #135,624 in Pet Supplies (See Top 100 in Pet Supplies)
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Product Description

Size: 5 Gallon 7"- 25 Watt

Penn-Plax Cascade Heat Aquarium Heaters accurately maintain the desired temperature in your tank. Available in sizes to match the size and volume of your tank, these heaters are factory preset to 76 degrees Fahrenheit making them ready to use in most aquatic environments. Can be set to your desired temperature using the visible temperature setting scale and is accurate to 1 degree Fahrenheit. Just plug it in and these heaters will safely and efficiently bring the temperature to your set level. Fully submersible, these heaters can be placed horizontally or vertically in your tank and will automatically maintain the desired temperature level. Made with superior insulation, these heaters provide excellent heat distribution over the entire element. The heavy duty shock-resistant glass gives these heaters a long life and makes them safe for your aquarium and your pets. Each heater comes with two suction cups for easy and secure placement in your aquarium.

Customer Reviews

I am basically just buying another heater from them.
JJ
I have been using it for a month now and is working well.
sreejith
It's very easy to set the temp and is very easy to read.
Daniel Forest

Most Helpful Customer Reviews

15 of 17 people found the following review helpful By JJ VINE VOICE on December 9, 2010
Size Name: 10 Gallon 7"- 50 Watt
Do not be fooled by price. I got what I paid for. It lasted about 9 months and most of that time was the summer and it was hardly on. Now that its colder the thermostat would only come on if I turned the knob all the way up to the highest setting and even then it would kick off. The water is maintaining 65 degrees. I bought two of these at the same time so put in the new one and that is working but will probably get less than a year out of that one as well.
As the other reviewer said the lifetime warranty is useless. I paid $9 for the heater and they want $10 to send it back. I am basically just buying another heater from them.
I will stick with a visi-therm or aqueon as I have those running in my other tanks with no problems.
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13 of 16 people found the following review helpful By K. Sisco on February 26, 2009
Size Name: 10 Gallon 7"- 50 Watt
I purchased this heater for my brand new 10 gallon aquarium from my local fish store. He began selling these after Visi-therm and their stealth heaters began to not hold up. His selling feature was the price and the life-time guarantee.

Upon first introducing it to the tank, it appeared to work, but I did not have a thermometer yet, so there was no way to tell. I left it at the initial setting of 76 degrees to cycle the tank. The tank glass felt warm, so I assume it was working. After 1-1/2 weeks, I bought a digital thermometer (the same as the one in my community tank). The tank was only 73 degrees. I checked the new thermometer against the old one and they measured the same temperature within a few 1/10's of a degree.

After turning the unit up continuously throughout the evening, I could heat the 10 gallon tank no higher than 75 degrees. This heater definitely did not work.

The guarantee, if you want to call it that, is almost worthless. You must send a copy of your receipt and $10 to the manufacturer, who will then send you another unit. That's more than 1/2 the original cost. More like buying one for retail, and then getting a lifetime supply at wholesale cost.

All I want is a heater that is reliable - I'm not concerned about guarantees. Guarantees don't heat the tank - reliable heaters do. This heater has left me in a lurch.
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7 of 8 people found the following review helpful By greenbean on July 31, 2011
Size Name: 55 Gallon 10"- 200 Watt Verified Purchase
I have this heater in my 55 gallon tank, and it keeps the water at 80 degrees consistently. However, the heater is set at 89 degrees (close to the supposed maximum). So, it works perfectly if you ignore the gauge, and use an independent thermometer.
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3 of 3 people found the following review helpful By J. Higgins on October 13, 2011
Size Name: 75 Gallon 12"- 300 Watt
Bought this heater because my fishes got ich and had to do a treatment for them, I thought I made a bad choice based on the price I paid but it really worked well for me. The temperature was accurate and it was durable enough until my Pacus got bigger, they would swim by it and smash it into the glass and it wouldn't break. They got the upper hand evevtually, I saw pieces of glass at the bottom of the tank and I wasn't surprised at all. Overall it was a great heater and I'm planning on buying another one soon.
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1 of 1 people found the following review helpful By Sara on January 13, 2014
Size Name: 10 Gallon 7"- 50 Watt Verified Purchase
I bought this heater for my little 1.5 gallon tank. I really wanted one with an adjustable thermostat so wouldn't have to unplug it every time it got to warm. This Penn Plax heater had just that and at 7 inches was short enough to fit in my tank.

I have had the heater for almost a week now and it has been working perfectly. Keeps the tank around 76 degrees at all times. I wouldn't hesitate to buy this again.
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3 of 4 people found the following review helpful By Jaded Nostalgic on January 17, 2013
Size Name: 30 Gallon 10"- 150 Watt Verified Purchase
I bought this for my 29 gallon tank because the very small heater I had was barely keeping up with the cold temperatures of winter. Our tank is in our kitchen in front of a window and generally stays colder in the area. This heater has worked perfectly for the month+ that we have had it. It keeps it at a steady 78 and the fish no longer huddle around the heater for warmth. Great price for a great product.
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1 of 1 people found the following review helpful By Timothy Gurguis on January 14, 2014
Size Name: 20 Gallon 8"- 100 Watt Verified Purchase
This kinda only lasted a few months. It worked well when it worked... but if you plan on having this heater for a long while, don't even bother.
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1 of 1 people found the following review helpful By nonturbogs on November 28, 2013
Size Name: 20 Gallon 8"- 100 Watt Verified Purchase
Excellent for the price just remember to follow instructions. No, it's not as simple as stick it in the water and plug it in. You stick it in the water wait about 20min THAN plug it in.
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