Tetra HT10 Submersible Aquarium Heater & Electronic Thermostat, 50-watt
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Provide your underwater buddies with the warmth they with the Tetra HT10 Submersible Aquarium Heater & Electronic Thermostat. This low voltage thermostat maintains water at 78°F without any adjustments and features red/green indicator lights to let you know when the heater is heating or on standby. The heater is also fully submersible and can be installed vertically or horizontally. For use with 2-10-gallon aquariums, Tetra HT10 Submersible Aquarium Heater & Electronic Thermostat makes sure your tank is always at a comfortable temperature.
Key Benefits- Submersible heater that can be installed vertically or horizontally.
- Low voltage thermostat maintains water at 78°F.
- Features red/green indicator lights to show when the heater is heating or on standby.
- For use with 2-10-gallon aquariums.
- Easy to conceal behind plants or other décor.
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Item Number164337
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Dimensions3.25 x 1.813 x 7.185 inches
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Weight7.84 ounces
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Aquarium TypeFreshwater, Saltwater
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Fish TypeN/A
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MaterialPlastic
Customer Reviews
69% Recommend
69% of reviewersrecommend this product
You've Already Reviewed This Item
42 Reviews
Showing 1-10 of 42 Reviews
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AMAZING HEATER
By Maya on Oct 16, 2021
The heater is amazing. I recently got a quarantine tank for my betta fish. I was looking for a heater and found this one not only is it soooo affordable it’s great quality too. I’m VERY happy with this product. It takes abt 24 hours or more for it to fully heat the tank:)
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Did not work at all
By Heater on Sep 28, 2021
I bought this and it doesn’t even heat up at all. It’s like it’s completely broke. This is why I don’t like buying online, it s to much of a hassle to return item.
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Saving your money
By ratmom on Jul 21, 2021
Tetra 50 watt heater. Absolutely does not work I have 50 watt in my 5 gallon tank absolutely and I have freezing water the red and green light absolutely do nothing the only time you see it is if you plug it in or unplug but if you blink you'll miss it have they commented as of why the light doesn't stay on to tell us it's heating? And you can touch that thing while it's in the water and it's cold as ice
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Best Heater
By Jenn on Sep 10, 2021
I'm not sure whats going on with One Star But I have 4 of this heaters and they all work excellent my water is very warm!! So they work for me!!
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Doesn't work
By AmyM72 on Aug 3, 2021
I can't believe there are so many positive reviews for this heater. My aquarium is colder than before I put it in my tank. It's only a 6.7 gallon tank, too. Don't waste your money on this heater!
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Doesn’t heat anything up
By matt on May 26, 2021
Everytime I put my hand in the water it is freezing cold. My fish only stays on the bottom of the tank and is getting I’ll because this heater doesn’t function despite being on the green light. This is extremely frustrating and I don’t recommend people use this unreliable product. I have had to switch to putting hot water in every night to make sure he doesn’t freeze in June.
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waste of money
By 1234 on Aug 1, 2021
I don’t understand….it says the light will turn red once the water is being heated it never turned red it’s still green?
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Aquarium heater
By Alejandro on Aug 13, 2021
Very good product, work very well this is the one I need for my aquarium it's the size I need.
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Waste of Money
By Defective on Apr 26, 2021
THIS ITEM DOES NOT WARM THE WATER...the red light only comes on for a few seconds and then turns off the GREEN LIGHT STAYS ON, but the water never gets warm!!! Green light is standby. It stands by forever!!!
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Great item!
By Charlie on Mar 27, 2021
I needed a heater for 10 gallon tank and this has been perfect match. Price is right and so easy to install. No fuss adjusting temp either. My goldfish and Zebra snails like the warmer water! Absolutely No problems to date, but I know I can reach out at any time to customer service.
