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HITOP 50W Adjustable Aquarium Heater

Curated from 78 real Reddit conversations

Refreshed on: February 12, 2025

HITOP 50W Adjustable Aquarium Heater

Brand: HITOP

Price: $11

Snoop Score:

7.1

Sentiment

7.1

Popularity

5.7

Technical

7.1

Buy on Amazon for $11 See All Aquarium Heaters Reviews

As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The HITOP 50W Adjustable Aquarium Heater is designed for small fish tanks, providing reliable temperature control for aquariums up to 15 gallons. It features a built-in thermostat that allows for adjustable temperatures ranging from 68 to 93 °F, ensuring your fish remain comfortable in their environment. Positive feedback highlights the heater's ability to maintain a consistent temperature, with users noting, "it has been keeping my tank at a steady 76 degrees reliably, turning on and off as needed." Additionally, its easy installation via suction cups and affordability at $11.98 make it a popular choice among aquarium enthusiasts. Consumer sentiment is overwhelmingly positive, with many users praising the adjustable temperature control and the heater's overall safety. "Adjustable heaters work better and easier to keep it at the temperature you need!" is a common sentiment, emphasizing the product's effectiveness in maintaining stable water temperatures. However, some users have raised concerns about safety during maintenance, citing experiences with heater malfunctions and the need for caution. Overall, the HITOP 50W Adjustable Aquarium Heater is highly recommended in its category, particularly for those seeking a reliable, cost-effective option for small fish tanks. Despite some negative feedback regarding potential malfunctions, the majority of users appreciate its performance and ease of use, making it a solid investment for aquarium care.

Not for you? Check out our other rated Aquarium Heaters

I just bought the first Amazon one I saw that also had a temperature dial with average reviews because most are set at 78 and that’s too cold for bettas.
Positive Feedback

the thermometer was way off and when it said it was heating, it was actually not.
Negative Feedback

7.1

HITOP 50W Adjustable Aquarium Heater

Buy on Amazon for $11

Freshwater Aquariums

5 / 10

Saltwater Aquariums

5 / 10

Marine Life Habitats

5 / 10

Small to Medium Tanks

5 / 10

See how this compares to all Aquarium Heaters

What it does well!

Key strengths users can’t stop talking about.

Adjustable temperature control is beneficial

“I just bought the first Amazon one I saw that also had a temperature dial with average reviews because most are set at 78 and that’s too cold for bettas.”➕

“Get an adjustable heater so you can control the heater temperature.”➕

“I’d like recommendations on a high quality adjustable heater.”➕

“HITOP Aquarium PTC Heater with Controller.”➕

Consistent temperature control

“they've been running well and keeping it at a consistent temp.”➕

Adjustable temperature feature

“It has a built-in thermostat, and will shut off if the tank gets too hot.”➕

“It has been keeping my tank at a steady 76 degrees reliably, turning on and off as needed.”➕

Easier installation with suction cups

“If I could give you an award I would 🥰! Good for you for understanding how important a heater is.”➕

Affordable price point

“the cheaper the better, but at the same time I’m terrified of accidentally boiling my fish with a bad heater.”➕

“Only $15 and works well.”➕

Adjustable heaters work better

“it’s highly recommended to get an adjustable one.”➕

“adjustable heaters work better and easier to keep it at the temperature you need!”➕

Good heat distribution

“Where should I place the water heater? No text content”➕

“I’d put it upright next to the intake and output so it spreads the heat.”➕

“Yep this is the way to go.”➕

“Keeps the whole tank an even temp.”➕

Multiple installation options with suction cups

“Better distribution of heat and you don’t have to worry about unplugging during tank maintenance.”➕

Holds temperature well with minimal fluctuation

“It holds to temp really well too, only fluctuates within a degree from what I've seen so far.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.

Preset heaters are unreliable

“the thermometer was way off and when it said it was heating, it was actually not.”➕

Concerns about heater safety during maintenance

“I accidently forgot to turn mine off once when it was vertical during a water change, the water level got too low and the heater started smoking!”➕

Heater malfunction risk due to simple thermostat

“the thermometer read over 100F. The fish were cooked in less than 8 hours.”➕

“Heaters typically fail in one of two ways; On or Off.”➕

“I had fish soup by breakfast.”➕

Heater shattered and released metal shavings

“It looks like I poured glitter in my tank.”➕

Compare On All Talked About Dimensions

Product Name	Price	Score	See Details	Buy Now
AQQA Aquarium Heater 500W for 66-135 Gallon Fish Tanks	$25	7.3	Details	Buy
Fluval E 300 Watt Electronic Heater	$34	7.2	Details	Buy
HITOP 50W Adjustable Aquarium Heater	$11	7.1	Details	Buy
HiTauing Aquarium Heater - Submersible Fish Tank Heater	$37	6.8	Details	Buy
hygger Aquarium Heater with Digital LED Controller	$43	6.5	Details	Buy
Aqueon Submersible Aquatic Flat Heater 15 Watts	$7	6.5	Details	Buy
Dreyoo 2 Set Aquarium Fish Tank Heater	$23	6.0	Details	Buy
HITOP-Fish Hitop 100W Adjustable Aquarium Heater	$14	5.8	Details	Buy
HiTauing Aquarium Heater - 100W Fish Tank Heater	$24	5.8	Details	Buy
DaToo Aquarium Heater Adjustable 50W	$6	5.7	Details	Buy
Tetra 26446 HT Submersible Aquarium Heater	$7	5.4	Details	Buy
Aqueon Pro 300 Submersible Aquarium Heater	$48	5.4	Details	Buy
MarineLand Precision Heater for Aquariums	$13	5.0	Details	Buy
HITOP Compact Submersible Aquarium Heater - 200W	$19	4.9	Details	Buy
Fluval M 200-Watt Submersible Aquarium Heater	$36	4.8	Details	Buy
PULACO 25W Small Aquarium Submersible Betta Heater	$9	4.3	Details	Buy
Aqueon Aquarium Fish Tank Preset Heater	$18	4.1	Details	Buy
hygger Small Submersible Aquarium Heater 100W	$22	3.6	Details	Buy
Orlushy Submersible Aquarium Heater, 150W	$19	3.4	Details	Buy
FREESEA Aquarium Heater for Fish Tank	$27	3.0	Details	Buy
FREESEA Aquarium Fish Tank Heater 50W	$16	2.6	Details	Buy

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’

General advice on wattage for fish tanks

“Keep in mind a 25W heater can make fish soup out of the tank very quickly if it decides to fail.”➕

General advice on heater brands and performance

“I think if they fail they won't fail on and boil tank.”➕

“Fluval and Marineland are some of the better brands.”➕

Advice on wattage for small tanks

“15 watts will work fine.”➕

“Peace of mind costs money.”➕

Advice for new betta fish keepers

“Establishing a nitrogen cycle is an important part of keeping your fish healthy.”➕

Need for water circulation near heaters

“Is your tank warm enough? Or, the water isn't moving much and the water next to the heater is "warm enough" and needs to circulate more.”➕

“The water wasn't circulating enough in the area so it turned off constantly.”➕

Advice on heater strength for tank size

“Try a different brand, if not just make sure the heater is strong enough to support how many gallons your tank is.”➕

Confusion over heater operation and settings

“Not sure if I helped or brought any idea's to the field but - my .02$.”➕

Advice on proper heater installation.

“90% of the reason people's heaters die is because they didn't install them properly.”➕

General advice on reliable aquarium lighting

“Good quality, but affordable aquarium lighting?”➕

“My plants are thriving.”➕

“an extra $20-$30 for a higher end model will go a long way.”➕

Sea monkeys may take longer to hatch depending on conditions

“Usually they hatch in about 24 hours, but yes, due to your own tank's various conditions, it can take longer.”➕

Discussion about needing a thermometer for proper temperature control

“Ahhh I don’t have a thermometer.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.

Difficulty in finding reliable heaters

“I just want to get everything ready for when I am able to get a new betta.”➕

“Aqueon heaters are garbage in my experience.”➕

Challenges with heater reliability

“No matter what I set it at it seems like the temperature gauge inside the heater is off, and I cannot keep my tank at a stable temp for the life of me.”➕

“Eheim is like peak reliability. But they can still fail ~~catastrophically~~ like all heaters.”➕

Challenges in finding reliable heaters

“If you’re looking for something preset/not adjustable, I like this one.”➕

Common issues with thermostat accuracy

“Is it normal for heaters to not work correctly first couple days or so?”➕

Frequent heater failures across multiple brands

“None of my heaters work. Literally none.”➕

“At this point I am ready to lose it. My fish are freezing and idk what the fuck to do.”➕

General frustration with heater reliability across brands.

“I just want a reliable heater that won’t short out or end up boiling my fish.”➕

“My heaters range from the cheapest from Walmart to the most reputable Eheim Jager, looks are different, end result is the same, good enough for the task at hand.”➕

Discussion about the lack of positive reviews.

“Now I’m just hesitating and will end up ordering one anyway.”➕

General concern about heater reliability across brands

“In my reef tank it is the only way to go.”➕

“They broke and over heated and luckily I caught it just in time.”➕

Concerns about temperature settings on mini heaters

“I’m afraid it’s too warm?”➕

General advice on heater reliability

“This is what i’ve bought so far what else do i need?”➕

“Aqueon heaters can easily be low quality, obviously causing concern of malfunctioning.”➕

“They're notorious jumpers!”➕

“Return the strips and get the API Freshwater Master Kit.”➕