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Tips:
- 110V-120V/60HZ 5-foot power cord,US Standard Plug is included in the package,which is only suitable for the US, Canada and Mexico.
- Heater normal working accuracy ± 2℉, heater efficiency could be influenced by different tank size or ambient temperature. Situation1: If you have a small fish tank or the tank located in a high ambient temperature room, please preset heater temperature lower than your expecting temperature. Situation2: If you have a big fish tank or the tank located in a low ambient temperature room, please preset heater temperature higher than your expecting temperature.
- In any case,please spend some time to check the water temperature changes, and adjust the temperature settings if it is your first time to use this heater. To help you create a confortable&safety environment for your lovely fishes.
Quick Guide-Thermostatic Submersible Aquarium Heater
- Firstly turn the red button that on the top of the aquarium heater to adjust the temperature as you need. The red number showing in the round circle indicating the temperature that you have set.
- Secondly put the aquarium heater upright into the water to make the suction cup stick to the side of tank as fully submersible.
- Thirdly plugin the aquarium heater into the socket.
- It will spend a few hours (Depend on the tank size and environment temperature)to heat the water warm as what the number you set. Please be patient.
- If you need to turn off the aquarium heater,please unplug it before removing it out from the water to avoid dry heating.
- Unplug the aquarium heater 10 minutes in advance of water changing. (Notice:The heater only can work properly when it is fully submersed, dry heating might cause a burst).
Maintenance , we suggest:
- Check the heater working status regularly, if any strange signs, please plug off immediately.
- Clean the heater suction cups regularly (3 months)with 140℉ warm water and soak it for a while.
- If you found any soil or moss things covered on the heater, please plug off the heater and clean it with fresh water after 10 minutes later, especially the heating part stains. Do not use any other liquid to clean the heater, it may damage the heater.
Heater should be fully submerged into water. To make sure the temperature sensor can detect correct water temperature, please install the heater near the water flow, or install a suitable water pump to help heat diffusing.
Please install the heater properly and do not put your hands into the water while the heater heating (avoid electric shock or burned), please plug off the heater when you try to clean or maintenance the water tank.
Do not expose the heater above water, it could cause heater glass and other parts broken.
Lily Gudino
Reviewed in the United States on February 4, 2025
Very happy with the heater! Most importantly, I like how I can adjust the temperature depending on the weather and fish’s needs!
Deborah Woods
Reviewed in the United States on September 14, 2024
This heater is still working. The size is just right for my 20 inch tank. The heat accuracy.Is at the right temperature? All the time, I think the quality of this eating unit was built With perfection.The price is competitive with most
kai
Reviewed in the United States on December 23, 2024
Works great as long as you read and follow the instructions. I love that you can change the temperature and it comes with 2 suction cups there’s also a red light that lets you know it’s on
Christine S
Reviewed in the United States on December 22, 2024
Works great and is easy to control.
Jennifer Bertone
Reviewed in the United States on October 7, 2024
I bought this for my sons betta fish tank and the tank is acrylic and works great with that type of heater. The tank is 1 gallon and this heater fits perfectly length-wise and is adjustable. The part where you can adjust the temp at the top is very hard to turn at first... it seems to be becoming slightly easier, but I honestly thought I was either going to not be able to turn it down or have to use a wrench lol. Eventually, I was able to turn to the temp we needed. It also came with a thermometer to put on the inside of my tank which was great.
Kerri
Reviewed in the United States on October 26, 2024
Product works great and keeps my little Betta happy. It was definitely worth the price. It is a little longer than I thought it would be but that's ok. The product is what it says.
Kenna
Reviewed in the United States on August 5, 2022
This is a wonderful heater for $9. The only (which are minimal) - temp gauge seems a little off but I don’t know if it’s me or the instructions weren’t clear. When you turn the knob, it shows a number inside the circle , is they the current temp or next temp? I only ask, because I know what the obvious answer is, is because it did seem a couple degrees off the “circled” degree and more accurate to the next degree after the knob turn. I just use that rule as my guide “the degree in the circle is the next degree after a turn” . Which, yeah the knob is slightly hard to turn , but not too hard that you need to leave a one star review because you don’t have enough common sense to wash the grease/oil off your hands first or grab a (clean!) paper towel first. It’s not the knob, it’s the fact that the water (assuring you cycled and are filtrating correctly) are simulating natural water flow and pulling the oils and impurities from your skin, and what is not natural to natural water sources and it’s inhabitants is people sticking their gross hands in them and wondering why their fish died. And also, it’s a nine dollar heater. It’s perfect for the price.I’ve yet to get to my real question thought because I had to vent.😂Anyways, can I bury this in my substrate?
Hailey Clifford
Reviewed in the United States on March 28, 2022
When this arrived, it worked great! The temperature went right to where I set it and kept the tank warm (78 degrees) for my betta fish.It's been about a month, and things have changed drastically... one morning I saw that my betta was a little bit laggy so I checked the temperature and it was in the 60's. The heater had turned off but I assumed maybe it was the outlet, so I plugged it in somewhere else and the light went back on. I left for a few hours and when I came back, the temperature was up in the high 80's and my betta had unfortunately passed on.I'm still fiddling with the heater to see if I can get it to work properly, but I can't even return it because it broke right after the return rate had passed (what a coincidence).Save yourself some trouble and don't get this. You'd be saving the life of your fish.
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