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  • Tetra 25775 Whisper Power Filter 60, up to 60-Gallon
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Tetra Whisper Power Filter

by Tetra
674 customer reviews
| 21 answered questions

List Price: $86.99
Price: $31.58 & FREE Shipping on orders over $35. Details
You Save: $55.41 (64%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
Up to 60-Gallons
  • Designed for Use in Smaller Aquariums Up to 60-Gallon, Uses Large Whisper Bio-Bag Cartridges
  • Uses Large Whisper Bio-Bag Cartridges
  • Three filters in one for cleaner water and healthier fish
  • Please refer the Troubleshooting steps below
27 new from $25.49 2 used from $28.42

Tetra Color Fusion Aquarium
$31.58 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

Tetra 25775 Whisper Power Filter 60, up to 60-Gallon + Tetra 26164 Whisper Bio-Bag Cartridge, Unassembled, Large, 12-Pack
Price for both: $42.57

Buy the selected items together

Special Offers and Product Promotions

Size: Up to 60-Gallons

Product Description

Size:Up to 60-Gallons


Troubleshooting Steps

If the filter doesn’t start, lift the Wonder Tube out of the filter and remove the Magnet Impeller
Assembly. Use tweezers to remove any stringy or hair-like material that may have twisted around the
shaft. Hold the assembly by its endcaps and try to spin the magnet. If the magnet does not spin freely,
rinse under a jet of tap water to “unlock” it. Now hold the magnet and try to spin the impeller one turn in
either direction. If the impeller doesn’t spin freely, rinse under a jet of tap water to “unlock” it. If rinsing
doesn’t free up the magnet or impeller, replace the assembly.

If you’ve replaced the assembly and the filter still won’t start, it is possible the carbon or aquarium
gravel may have lodged at the bottom of the Energizer Well. Slide the Wonder Tube up and down in the
filter box (with water still in it). If this doesn’t work, unplug the filter and empty it in your sink. Insert a
drinking straw–not a metal instrament–into the Energizer Well and try to break up any sediment. Rinse
the Energizer Well and re-assemble the filter.

To determine if the Energizer is functioning, plug it into an electric outlet and hold the Magnet Impeller
Assembly against its outside wall. If you feel a magnetic attraction, the Energizer is functional. If not,
replace the Energizer.


Product Details

Size: Up to 60-Gallons
Please review the User Manual & Warranty for more information [PDF]
  • Product Dimensions: 5.8 x 13.6 x 7.9 inches ; 2.8 pounds
  • Shipping Weight: 2.9 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B0002DHY6S
  • Item model number: 25775
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (674 customer reviews)
  • Amazon Best Sellers Rank: #6,562 in Pet Supplies (See Top 100 in Pet Supplies)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

63 of 66 people found the following review helpful By Surveyor on October 28, 2010
Size: Up to 60-Gallons
I have a 65 gallon tank which replaced a 20 I had owned for 3 years. I had the appropriate Whisper filter on that one so I got the larger version for this one. There is no such thing as a silent filter (unless it is in another room) but the whisper does a good job of keep noise to a minimu. If you have your water level right, you do not hear the waterfall effect that others have addressed.
Also, I replaced the additional media in the filter with a better mesh to control phosphates and (hopefully) cut down on algae, and there was plenty of room for this material along with the bags and charcoal.
I had looked at the more expensive cylinder filters but after assessing the cleaning problems, the leaking problems and the overall work involved, I chose to stick with the Whisper and spend my $$ on new fish and decorations!
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60 of 66 people found the following review helpful By Brian Knight on January 10, 2013
Size: Up to 60-Gallons Verified Purchase
This filter is great!! I just got it set up and running on my 60 gallon tank. I was worried it would be loud but those poor reviews turned out to be just like any other aquarium advice I see on the internet.. This is really a whisper, the filter is heavenly quiet. I am one of those people that will be driven nuts by a clicking powerhead or a vibration against the side of the tank. This thing is silent!!! If it sounds like a waterfall, its because the water is falling in.. RAISE YOUR WATER LEVEL...and also... 2+2=4
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35 of 38 people found the following review helpful By John Kalnin on November 8, 2012
Size: Up to 30-Gallons Verified Purchase
I think I have figured out why there are a mix of opinions about the noise level. My guess is that there is a quality issue and some people get better working parts then others. Mine CAN actually be very quiet but it is short live, because most of the time it sounds like a loud buzzing, rubbing, or rattle. I tried to shave the fins on the part that spins with a razor thinking they may be rubbing against the sides, no luck. I've pulled out the tube and put it back in countless times. I pushed it down hard, pulled it out some, but there is no sweet spot on mine. I will add a video soon to show how noisy it runs. It also came shipped with a nice crack in the top cover right out of the box. I already trashed the box and shaved the fins with a razor, but I still may try to return it. This is way too loud. The filter does do a great job, but quiet it is not.

EDIT (MOD FIX):
OK, I figured out why this is so loud. The part that goes into the motor (fins attached to a magnet) is two connected pieces. However, this makes the spinning part with fans vibrate against the magnetic piece below it. So, I dried it and took a small piece of scotch tape and tightly wrapped it around the top of the magnet and the bottom of the fin. This made it act as one solid piece. I put it back in the motor and it is now super quiet. Problem solved for next to nothing.
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22 of 23 people found the following review helpful By Fizgig on December 27, 2012
Size: Up to 60-Gallons Verified Purchase
I've been using Whisper PFs for all my aquariums for over 20yrs and have never been disappointed by them. As with any filtration, you should always get a filter that's rated higher than what you need -- for example, if you have a 60 gallon aquarium, the filter's MINIMUM GPH (gallons per hour) rating should be no less than 80 GPH -- because all filters lose filtering capacity over time as media gets dirty and/or loses effectiveness. Aquariums housing particularly messy and/or big fish need filters that can turn the water volume over at least 3x per hour -- for example, a 60 gallon Goldfish aquarium needs a filter capable of no less than 180 GPH. It's for this reason that people have issues with filters not keep their aquariums clean.

Whisper PFs are exceptional! Very well constructed and most are very quiet. The Whisper 60 is the biggest model and is also the noisiest of the bunch. They're not insufferable, though, but you can hear them working compared to their smaller cousins. Usually the noise is caused by impeller assemblies not being seated properly and/or air being trapped in the impeller compartment. Should ALWAYS add the impeller assembly into the motor housing after adding water to that compartment so air doesn't get trapped inside. The cover tends to rattled from the vibration generated by the motor, but putting a rock or something like that on top of it eliminates that issue.

The Whisper 60 has a 2 compartment system which makes these filters extremely versatile! Using the filter pouches, you can add any media you want. I always keep one side stuffed with blue bonded media and sponge type media for beneficial bacterial to take on biological filtration which keeps the water crystal clear even with no chemical/mechanical media in use.
Read more ›
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29 of 32 people found the following review helpful By Rolland Hagedorn on December 1, 2009
Size: Up to 60-Gallons Verified Purchase
Works great. Handy slide in filter cartridges for easy and quick changes. Adjustable flow rate. Extra tubing for water intake inside tank. Super quiet! A quality product.
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20 of 22 people found the following review helpful By Douglas Dobson on June 6, 2011
Size: Up to 20-Gallons Verified Purchase
I have had a bunch of whisper filters, and I loved every one. Whispers are good filters, one bad review does not a story make, I highly recommend these filters based on thirty years of experience keeping fresh and saltwater reef tanks (but not for reef tanks, they have their own requirements and box filters are not ideal for reefs) For freshwater tanks, these are excellent filters, ok that's basically it in a nutshell.
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12 of 14 people found the following review helpful By Tess on March 14, 2011
Size: Up to 30-Gallons Verified Purchase
I've been buying Whisper aquarium products for a number of years and I have to tell you I couldn't be happier with them. They ARE the quietest products on the market. Put them on/in your fish tank and they run so quietly you won't even know they're there. And this power filter lives up to its name. It's super quiet and it filters the water just as it should, leaving it crystal clear (unless you have a bacteria problem and then the only cure for that is to treat your tank). I especially like the design of the bio bags. If you want to add more charcoal or some ammo chips to take care of an ammonia problem, just open them up and add them to the bag. I give this product an A+.
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Tetra 25775 Whisper Power Filter 60, up to 60-Gallon
This item: Tetra 25775 Whisper Power Filter 60, up to 60-Gallon
Price: $31.58
Ships from and sold by Amazon.com