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AQQA Aquarium Heater 500W for 66-135 Gallon Fish Tanks

Curated from 88 real Reddit conversations

Refreshed on: March 28, 2025

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AQQA Aquarium Heater 500W for 66-135 Gallon Fish Tanks

Brand: AQQA
Price: $25
Snoop Score:
7.3
Sentiment
6.5
Popularity
9.4
Technical
6.9
Buy on Amazon for $25See All Aquarium Heaters Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The AQQA Aquarium Heater 500W is designed to provide a reliable heating solution for large fish tanks ranging from 66 to 135 gallons. Made of durable quartz glass and equipped with an external temperature controller, this heater maintains a consistent and safe temperature for both freshwater and saltwater aquariums. Consumer feedback highlights the effectiveness of the external temperature controller, with users noting that it "shows the current temp & your set temp" and keeps a stable temperature once set. Many have reported that the heater performs well, with comments like "it’s been awesome tbh" and that it can even be completely submerged without issues. However, some users have raised concerns about reliability, mentioning potential overheating and failures post-warranty. Overall, while the AQQA Aquarium Heater 500W has received positive feedback for its performance and ease of use, potential buyers should be aware of the reliability issues noted by some users. Therefore, it may be recommended for those who prioritize performance but should be used with caution regarding its longevity and safety.

Not for you? Check out our other rated Aquarium Heaters

Works great. Shows the current temp & your set temp.

Positive Feedback

Had 1 for 3 months and 1 day, 1 day past the warranty it died!!

Negative Feedback
Product
7.3
AQQA Aquarium Heater 500W for 66-135 Gallon Fish Tanks
Buy on Amazon for $25
Freshwater Aquariums
7 / 10
Saltwater Aquariums
7 / 10
Marine Life Habitats
7 / 10
Small to Medium Tanks
7 / 10
See how this compares to all Aquarium Heaters

What it does well!

Key strengths users can’t stop talking about.
External temperature controller is effective
“Works great. Shows the current temp & your set temp.”➕
“What could go inside of this 10 gallon? no heater or Oxygenator.”➕
“My wife hates the noise… Just set up my new 55 gallon tank… in my living room.”➕
“didn't realize it had a built in temp display for the current tank temperature.”➕
Keeps a stable temperature
“Haven’t had any problems with it and seems to keep a pretty stable temp.”➕
“I have that exact heater, works great.”➕
“I have that one and it's fantastic.”➕
“Anybody know how to heat up my small tanks without killing my pets, my wallet or burning down my house?”➕
Effective heater performance
“it’s been awesome tbh. Never failed me and I have 2 different thermometers to check temp with.”➕
“it works just fine. tilt it to the side a little maybe itll work better.”➕
Stable temperature if set correctly
“When you get it to where you want it, you'll never have to touch it again.”➕
Easy to install when positioned correctly
“I would advise you turn it sideways a bit and push it down further into the tank.”➕
“I’d be very weary of doing this and double check the instructions first.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Product reliability issues post-warranty
“Had 1 for 3 months and 1 day, 1 day past the warranty it died!!”➕
Concerns over reliability with overheating and stopping working
“Random sparks, thing over heating, stopping working.”➕
Potential overheating issues
“I’d be wary of cheap heaters.”➕
“If it's not heating up to the thermostat, then it's faulty.”➕
Heater can overheat and be dangerous
“I woke up this morning to find my crayfish dead as a doornail. My thermometer was reading 100F.”➕
“Basically the thermostat which turns it on and off fails. This causes it to not think it is warm enough and stays on until you catch it, hopefully before fish soup.”➕

Compare On All Talked About Dimensions

Product NameImagePriceScoreCompareSee DetailsBuy Now
AQQA Aquarium Heater 500W for 66-135 Gallon Fish TanksAQQA Aquarium Heater 500W for 66-135 Gallon Fish Tanks$25
7.3
DetailsBuy
Fluval E 300 Watt Electronic HeaterFluval E 300 Watt Electronic Heater$34
7.2
DetailsBuy
HITOP 50W Adjustable Aquarium HeaterHITOP 50W Adjustable Aquarium Heater$11
7.1
DetailsBuy
HiTauing Aquarium Heater - Submersible Fish Tank HeaterHiTauing Aquarium Heater - Submersible Fish Tank Heater$37
6.8
DetailsBuy
hygger Aquarium Heater with Digital LED Controllerhygger Aquarium Heater with Digital LED Controller$43
6.5
DetailsBuy
Aqueon Submersible Aquatic Flat Heater 15 WattsAqueon Submersible Aquatic Flat Heater 15 Watts$7
6.5
DetailsBuy
Dreyoo 2 Set Aquarium Fish Tank HeaterDreyoo 2 Set Aquarium Fish Tank Heater$23
6.0
DetailsBuy
HITOP-Fish Hitop 100W Adjustable Aquarium HeaterHITOP-Fish Hitop 100W Adjustable Aquarium Heater$14
5.8
DetailsBuy
HiTauing Aquarium Heater - 100W Fish Tank HeaterHiTauing Aquarium Heater - 100W Fish Tank Heater$24
5.8
DetailsBuy
DaToo Aquarium Heater Adjustable 50WDaToo Aquarium Heater Adjustable 50W$6
5.7
DetailsBuy
Tetra 26446 HT Submersible Aquarium HeaterTetra 26446 HT Submersible Aquarium Heater$7
5.4
DetailsBuy
Aqueon Pro 300 Submersible Aquarium HeaterAqueon Pro 300 Submersible Aquarium Heater$48
5.4
DetailsBuy
MarineLand Precision Heater for AquariumsMarineLand Precision Heater for Aquariums$13
5.0
DetailsBuy
HITOP Compact Submersible Aquarium Heater - 200WHITOP Compact Submersible Aquarium Heater - 200W$19
4.9
DetailsBuy
Fluval M 200-Watt Submersible Aquarium HeaterFluval M 200-Watt Submersible Aquarium Heater$36
4.8
DetailsBuy
PULACO 25W Small Aquarium Submersible Betta HeaterPULACO 25W Small Aquarium Submersible Betta Heater$9
4.3
DetailsBuy
Aqueon Aquarium Fish Tank Preset HeaterAqueon Aquarium Fish Tank Preset Heater$18
4.1
DetailsBuy
hygger Small Submersible Aquarium Heater 100Whygger Small Submersible Aquarium Heater 100W$22
3.6
DetailsBuy
Orlushy Submersible Aquarium Heater, 150WOrlushy Submersible Aquarium Heater, 150W$19
3.4
DetailsBuy
FREESEA Aquarium Heater for Fish TankFREESEA Aquarium Heater for Fish Tank$27
3.0
DetailsBuy
FREESEA Aquarium Fish Tank Heater 50WFREESEA Aquarium Fish Tank Heater 50W$16
2.6
DetailsBuy

Core Power Plays

The specs and strengths that make it shine.
Users appreciate the importance of proper fish care and tank setup.
“What should I do now?”➕
“Bettas are such personable fish with big personalities, I’m sure you’ll fall in love with her!”➕
“Fish are living things they aren’t something you should buy on a whim cause 'it’ll die in a few months anyway' they deserve respect.”➕
“get a testing kit to test the water levels for stuff like ph and nitrates :)”➕
Preference for digital controllers in heaters
“Personally, I would never ever trust a heater without a digital controller.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Discussion on the benefits of starting with plants in aquarium setups.
“you should consider actually starting with plants because they help the cycling process!”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Users are looking for affordable heaters and share concerns about other brands
“This is what I use. No issues so far.”➕
Different setups require heater adjustments
“Get your hands wet and turn it It will most definitely help you warm your tank.”➕
Using multiple heaters for safety
“My policy is to always use two heaters in a tank, neither of them powerful enough by itself to heat the tank.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Concerns over quality of cheaper brands
“cheaping out on a light is fine but the thing necessary to keep the fish alive, which is suspended in water and full of electricity maybe isn't the thing I should cut corners on.”➕
Concerns over the reliability of cheaper heaters
“I'm going to invest in a higher-quality heater today after work.”➕

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