Tetra 25817 First Impressions

Highly recommended!

Then put hose in your bucket and viola, it will draw water! If placed the other way, the carbon can be pushed out into the aquarium. Exactly the same item I purchased from a local store for alot more money! As dirty as the larger fish are theses cartridges keep mytanls crystal clean. Before I did anything with my tank Saturday the TDS reading was in the hight 900's. I haven't tried looking for alternative brands. Lastly, the hand pump primes very quickly and the water flow is wonderful.

  • Editor's Impressions Of The Tetra 25817
  • Build Quality [star rating='4.1']
  • Value For Money [star rating='5']
  • Feature Set [star rating='4.5']

Tetra 25817 Final Thoughts

8 degrees.

Washed with hot water several times to get rid of it. I decant this to a small 5 oz squeeze bottle and leave the rest in the fridge. 4-5 squirts in a sink of water, soak my suit 10 min, wring out and hang to dry. I had the filters in a few days ordering from Amazon. I bought this to attach to my Tetra whisper 20. The auction begins with just a few squeezes even my young nephew could do it. Easy to use and a great price here at Amazon!

Overall Score
4.4

[star rating="4.4"]
(7418 Points)
Check Price AVAILABLE ON AMAZON
  • Tetra 25817 Features & Specs
  • UNIVERSAL DESIGN Tetra Whisper 20i Internal Filter is an all-in-one air pump and water filter system
  • INTERNAL FILTER Mounts on the inside of your aquarium with clip (included)
  • CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste
  • AERATES WATER Air-driven design filters up to 125 GPH while oxygenating water
  • CONVENIENT DESIGN Uses large easy to change Bio-Bag cartridges filter mounts inside aquarium making it possible to place tank flush against the wall
  • Manufacture: Tetra
  • Product Dimensions: 4.88 x 5.38 x 10.19 inches; 1.32 Pounds

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