
I've had the device since January. 2019. I had a fever of 77 degrees. It maintained a stable 76.3 degrees. Today (May 4, 2019) it rose to 98.7 degrees and killed 95 percent of my fish.19, bye. I DO NOT RECOMMEND THIS SYSTEM TO ANYONE WANTING TO KEEP FISH LIVELY AND HEALTHY. Such a shame. The woman is heartbroken. It took quite a long time before we had the stock in my beautiful tank.

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