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Tetra Whisper 20 (aka Challenger 100)
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1 8769 Sat May 2, 2009
Recommended By Average Price Average Rating
No recommendations $10.00 1.0

Description: Tetra whisper 20 is a Hang-on heater of 100 Watts. It was also know as Tetra Challenger 100.

It features a dial (+ / -) on top, protected with a plastic cover.

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Registered: March 2009
Location: Mtl, Canada
Posts: 87
Review Date: Sat May 2, 2009 Would you recommend the product? No | Price you paid?: $10.00 | Rating: 1 

Pros: low price for power (100W),
Cons: dial: very hard and long to set up, temperature not stable

I think this product is discontinued from Tetra, however my LFS still has plenty in stock.

I couldn't get a stable temperature in my 10 gallon tank. In the instruction manual, it says you have to check the water temperature every hours and adjust the dial accordingly. I guess I have other things to do!
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