Submersible Heaters

I wish I could give this product a worse score than 1 star. Purchased this heater from Wal-mart in a pinch because the heater that came with the aquarium broke (was a very cheap one) and I didn't want the temperature to drop since it was winter. Kept an eye on the thing for the first few weeks of having it and everything seemed to be ok. This week the dumb thing short circuited because it got water inside somehow and continually heated the tank. I discovered this when I got home from work. I noticed unusual behavior in a frog I had in the aquarium. On further inspection my other frog was already dead on the bottom of the tank and the water was almost 100 degrees F. The frog that was still alive was just floating in the current from the filter and had a bad fungal infection that had sprouted up overnight. Removed him to a treatment tank and did what we could but the poor guy didn't make it. This is a horrible product. I would not recommend this to anyone and I wish I hadn't bought the product because I lost 2 very dear pets.

I have purchased 3 of these Tetra Heaters in the past 5 months, and all of them have quit. The warranty only allows you to pay shipping both ways, either to fix yours, or they will send another one. I do not want any more of these Tetra heaters, and am looking for another brand. I wouldn't waist your money.

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I bought this heater (from WalMart)last week for my 5 gallon tank. When I first put it in the tank the red light came on. After maybe a minute or so the light turned off. I wondered whether or not it was heating the water...

After a couple days I moved the heater to my 10 gallon tank. The light did not come on, even after unplugging and replugging it. It's been in this tank for about three days, and the light hasn't come on. The temperature has actually dropped a few degrees since being in this tank. I will be returning it to the store as soon as possible.

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It electrocuted my catfish... Why? Because they don't do quality control in China. Yes, you can feel how angry I am for killing my catfish which I've had for years. I wish I could give a negative star on this review. Never buy Tetra products, you have been warned.

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I was researching on a good heater for a 1.5gal fish tank, and I came across the Tetra submersible HT 10. It fits very well into the tank, and the heater maintains a constant temperature at 76F. I am satisfied with this heater. However, you cannot change the temperature setting. It has been 3 months since i bought this heater, and i have no complaints yet. My fish is healthy and well heated with this HT10 from tetra.

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