Aquarium Heaters & Chillers / Shop - Mega Sale! Save up to 22%


Mega Sale! Up to 22% off on Aquarium Heaters & Chillers (in Shop) at Alsea Clinic [4]. Top brands include ViaAqua, Aqueon, Fluval, Eheim, Hygger, BOEESPAT, HITOP, boxtech, KETOTEK, EVERSECU, Finnex, Tetra, Cobalt International, AquaTop, Hydor, & Aquarium Equip. Hurry! Limited time offers. Offers valid only while supplies last.



ViaAqua 200-Watt Quartz Glass Submersible Heater with Built-In Thermostat
By ViaAqua
In Stock
$16.99
$13.33
You Save: 22%

mpn: 58073330, ean: 0006903733304,

4.9 out of 5 stars with 8 reviews
High quality quartz glass submersible heater with a visible temperature readout Feature High Quality, Break Resistant Quartz Glass ConstructionFully SubmersibleSimple InstallationAvailable In a Variety of SizesSuction Cups for Securing To the AquariumVisible Temperature SettingFor Use in Fresh and Saltwater model Part List Temperature AdjustmentWaterproof Double InsulationTemperature SettingWater Level LinePower Lamp (Indicate ON/OFF Cycle)Heating ElementCeramic Heater Core (Evenly dispersed Hea


Aqueon Adjustable Aquarium Heater, 50 W
By Aqueon
In Stock
$17.85
$17.84

mpn: 100528680, ean: 0015905000291,

4.9 out of 5 stars with 15 reviews
Aqueon Submersible Aquarium Heaters are made from thermal shatter-resistant quartz glass and were designed to absorb impacts, making them extremely durable. A LED indicator light comes on when unit is heating. UL approved, the heater is also programmed to turn itself off when not properly submersed to avoid overheating and damage. Electronic thermostat ranges from 68° to 88°F. The suction cups make horizontal or vertical installation quick and easy.Precise temperature setting to 1-degree F (6


Fluval M50 Submersible Glass Aquarium Heater (50 watts)
By Fluval
In Stock
$23.99
$21.35
You Save: 11%

mpn: A781, ean: 0015561107815,

4.4 out of 5 stars with 42 reviews
The Fluval M Submersible Aquarium Heater’s quality manufacturing utilizes superior components and construction. The Fluval M 50 Watts Electronic Heater is ideal for use in aquariums up to 15 gallons and has a temperature range of 66-86 degrees Fahrenheit. This sleek, compact heater can be trusted for exceptional performance and unsurpassed reliability. Unique only to the Fluval ''M'' series the reflective technology equipped in the Fluval M Submersible Aquarium Heater helps maintain the aquari


EHEIM Jager Aquarium Thermostat Heater 300W
By Eheim
In Stock
$34.99
$30.16
You Save: 14%

mpn: 3619090, ean: 0720686361591,

4.1 out of 5 stars with 47 reviews
All 9 EHEIM Heater models are 100% fully submersible and come with a new TruTemp dial that allows the user to recalibrate the heater within a +/- 0.5F degree accurancy for precise temperature readings.Fully submersible. Thermo safey control protects against running dry. Will automatically turn off when water level dips too low. TruTemp dial recalibrates the heater for precise temperature regulation. Made of shock resistant and shatter proof glass for fresh or marine water. On/Off indicator light


Hygger Submersible Aquarium Heater, Adjustable Fish Tank Heater Compact Reliable Betta Heater, Heat-Resistant Milky Quartz Made, with External Temp Controller, 50W/100W/300W, 7-60 Gallon (300W)
By Hygger
In Stock
$42.99
$34.99
You Save: 19%

mpn: 4346780842, ean: 0688209998177,

4.1 out of 5 stars with 33 reviews
Hygger compact aquarium heater is very safe and durable, milky quartz material made, can resist a high temp of 1800℉, excellent in explosion-proof & shatter-resistant.The service life can be more than 3 years if only using in fresh water.Led indicator light inside the quartz tube.When the tank heater is heating, the indicator light is red. When it stops heating, the light is off.When does the heater stop and restart heating? The aquarium heater is very reliable to maintain the water temp as yo


ViaAqua 300-Watt Quartz Glass Submersible Heater with Built-In Thermostat
By ViaAqua
In Stock
$17.99
$15.00
You Save: 17%

mpn: 58073331, ean: 6119729497382,

4.1 out of 5 stars with 18 reviews
High Quality, Break Resistant Quartz Glass Construction Fully Submersible Simple Installation Available In A Variety Of Sizes Suction Cups For Securing To The Aquarium Visible Temperature Setting For Use In Fresh And Saltwater Feature High Quality, Break Resistant Quartz Glass ConstructionFully SubmersibleSimple InstallationAvailable In A Variety Of SizesSuction Cups For Securing To The AquariumVisible Temperature SettingFor Use In Fresh And Saltwater Models Part List Temperature AdjustmentWater


BOEESPAT Submersible Aquarium Heater 300W,Fish Tank Heater, Extra Thermometer,Anti Explosion,Adjustable Temperature Auto Built-in Thermostat(300W)
By BOEESPAT
In Stock
$19.99

ean: 0884399239872,

4.0 out of 5 stars with 60 reviews
You will need an aquarium heater to keep your tank in a steady and controlled temperature, as proper temperature range is very important to fish and other Aquatic in winter. Our aquarium heater help your fish and other aquatic keeping away from stress and diseases by providing proper temperature. Features: 1, The aquarium heater is provided with an extra thermometer to show the accurate tank temperature to avoid overheat or freeze. 2, The aquarium heater is operating as a staged heating, once


HITOP 50W 100W 300W Aquarium Fish Tank Heater, Traditional Glass Aquarium Heater with Thermometer (300W-grey)
By HITOP
In Stock
$13.99

ean: 0765951785221,

4.5 out of 5 stars with 14 reviews
300W Aquarium Heater, 11 x 1 x 1 in,1.5M/4.9ft cable Fish tank size:30-60 Gollons This heater is simple in appearance, placed in your aquarium, unobtrusive and will not destroy the fish tank landscape.  We adopted 2mm thickened quartz glass, much safer for both human and animals. And it will turnoff automatically when reaches temperature you set, without overheating. This heater is easy to operation, just adjust the temperature adjustment button to set the require temperature, then you can for


Aqueon Pro Series Aquarium Heater, 300W, Black
By Aqueon
In Stock
$27.12
$23.13
You Save: 15%

mpn: 100532087, ean: 0015905000611,

4.7 out of 5 stars with 47 reviews
Aqueon Pro aquarium heaters are built with a durable, non-corrosive shell for strength and even heat distribution. Each unit is equipped with electronic thermostats for accurate temperature settings and advanced gravity shutoff feature safety. The temperature settings are adjustable, LED power indicator illuminates Red when the unit is actively heating. This 300W Pro heater is for use in aquariums up to 100G and can be used for freshwater or saltwater aquarium; and can be positioned horizontally


boxtech Submersible Aquarium Heater 50W/100W/300W - Explosion-Proof Automatic Digital Control Water Fish Tank Thermostat, Heat-Resistant Quartz Made for 5-80 Gallon
By boxtech
In Stock
$21.99

ean: 0781573732290,

4.6 out of 5 stars with 20 reviews
Electronic temperature control heater Feature: 1.Technical innovation Easy operation Precision IC inside,double-loop circuit design,Over-temperature protection, safety.Explosion-proof,auto-protection while heating air.High quality.Temperature control is accurate adjustable,Automatic temperature,Precise temperature control. 2.Cooling recovery safety protection The water temperature sensor is installed in the IC circuit to prevent air burning and heating over temperature. 3.High quality,Explo


KETOTEK KT4000 Digital Temperature Controller Outlet Thermostat, 2 Stage Heating and Cooling Mode US Plug 1100W with Sensor for Homebrew, Aquarium, Incubator, Pet Breeding, Reptiles
By KETOTEK
In Stock
$34.88

mpn: KT4000,

4.0 out of 5 stars with 37 reviews
90 DAY Warranty -- All KETOTEK customers enjoy 90 Day Warranty. You have no risk to try and we will provide you the best service! Specifications Power Supply: 110Vac±15% , 60hz Temperature control range: LS1~LS2℉ Temperature setpoint LS1 range: -19.9~LS2℉ Temperature setpoint LS2 range: LS1~199.9℉ Heating differential value:1~25℉ Cooling differential value:1~25℉ Accuracy: ±1℉ Resolution : 0.1℉ Sensor input: NTC Waterproof sensor 1m/3.28ft Relay contact capacity: Cool Heat(Max 10A


EVERSECU 72w 110-240v Aquarium Water Chiller Warmer/Cooler Temperature Controller for Fish Shrimp Tank Marine Coral Reef Tank Below 20L/30L Aquarium Chiller (20L Only Cool)
By EVERSECU
In Stock
$89.90

ean: 0605621343156,

4.3 out of 5 stars with 59 reviews
Specification: Model: Aquarium Water Chiller or Warmer and Cooler Color: White, Green , Blue Input AC: 110-240V , 50/60HZ Power: 72W Water Flow : 1-3L/min Hmax: 3meters Suit For Tube: 8mm Inside Diameter Size: Approx. 11x11x19cm Suit For Tank: Less than 20L/5GAL Package include: 1 x Aquarium Water Chiller OR Warmer and Cooler Comes with a mini plug adapter.Quiet, low-power design.. Simple Operation and obivious temperature display.. Suit for freshwater tank, water grass tank, sea water tank.


Finnex HPG-300 Aquarium Heater
By Finnex
In Stock
$41.48
$39.99
You Save: 4%

mpn: HPG-300, ean: 0856521005679,

4.2 out of 5 stars with 57 reviews
The Finnex HPG Series Heaters are fully submersible that can be used in both freshwater and marine aquariums. The red LED digital display allows users to visibly read current temperatures registering within your aquarium. A single control button positioned on the power cord allows allows easy control of your temperature settings without users getting their hands wet! Featuring automatic shut off overheat protection at 93°F, our 2mm quartz glass thick tubes are one of the strongest glass heaters


ViaAqua 500 Watt Titanium Heater
By ViaAqua
In Stock
$54.31

ean: 0680226112130,

4.1 out of 5 stars with 32 reviews
This ViaAqua 500 Watt Titanium Heater has been completely re-designed. It features an easy-to-read LCD Controller, remote sensor and auto shut-off. Durable titanium heating tube. 500 Watts. For tanks up to 130 gallons. Temperature range: 64F to 88F. Includes suction cups. Heater is 15.5'' long. Easy to read LCD Controller. Can read in Celsius or Fahrenheit. Remote temperature sensor. Remote sensors are more accurate because they measure the water temperature away from the heater. Auto shut off i


Tetra Submersible Heater With Electronic Thermostat, 200-Watt
By Tetra
In Stock
$34.93

mpn: 75026463, ean: 0046798264637,

4.6 out of 5 stars with 45 reviews
For 50 years, fishkeeping enthusiasts have looked to the Tetra name for products and solutions that add ease and beauty to their home. Whether you're an experienced hobbyist or just starting out, Tetra has everything you need–-from a large variety of quality fish food and innovative equipment to test kits and decor. Keeping your tank at the proper temperature can be a large tast. You want your aquarium to be successful and sustainable for your fish, so Tetra products make it easy. Tetra Submer


Cob Heater Neo-Therm Led 100w
By Cobalt International
In Stock
$52.69

mpn: 31004, ean: 0634252029474,

4.5 out of 5 stars with 19 reviews
Cobalt - Neo Therm Heater 100W. The all new Cobalt Aquatics NEO-Therm electronic heaters feature a modern, super flat design with an easy to set ''one touch''control system. The advanced electronic thermostat is accurate toCobalt - Neo Therm Heater 100W. The all new Cobalt Aquatics NEO-Therm electronic heaters feature a modern, super flat design with an easy to set ''one touch''control system. The advanced electronic thermostat is accurate to.


AquaTop ATP Heater Titanium 500W
By AquaTop
In Stock
$70.72

mpn: TH-C500, ean: 8196030161094,

4.8 out of 5 stars with 44 reviews
Aquatop th-c series of fully submersible Titanium heaters with Controller offers a compact design for versatile placement and are extremely durable thanks to the tough Titanium heating element construct. Temperature range is 68F - 92F, and each unit has a separate temperature probe to help ensure even temperature readings.Age Range Description: All Life Stages.


Eheim Jager 250W TruTemp Submersible Heater 17"
By Eheim
In Stock
$40.17
$39.99

mpn: 6646, ean: 0720686360709,

4.3 out of 5 stars with 57 reviews
EHEIM Jager heaters are fully submersible . With thermo-safety control. Rigid special laboratory glass. Precise temperature control. Heating function is indicated by an on/off control lamp. Simple and safe recalibration. Extra-long cable cord. Includes suction cup colder. Suitable for fresh and salt water. Precisely regulated, constant water temperature is very important for the comfort and success of your aquarium inhabitants. The Jager TruTemp adjustable heater is an ultra-modern electronic th


Hydor 400W Submersible Glass Aquarium Heater - Original Theo
By Hydor
In Stock
$34.99
$28.99
You Save: 17%

mpn: T11502, ean: 0841421003207,

4.9 out of 5 stars with 16 reviews
Theo Heater. New aquarium heater functioning with the exclusive PTC technology means that this heater will not break or damage when run out of the tank. Theo aquarium heater has all the necessary feature for safe and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of components guarantee a long lasting product.High resistance - the first shatter proof heater. Shock resistant. Position vertical, horizontal and completely submerged. Graduate


ISTA MICRO Temperature Controller Thermostat 1000W Heater Aquarium tank Globally
By Aquarium Equip
In Stock
$86.09

mpn: I630_1000W ISTA, ean: 4719857430248,

4.4 out of 5 stars with 14 reviews
Features: High Sensitivity and Stabilization design of Integrated Circuit Large and clear Digital LCD display Measuring and Controlling Temperature with 1 unit Indicators for Power and Heater 82 cm Long Temperature Sensor Power Cable Length: 83 cm (32.6'') Adjustable Switch for Temperature Adjustable Temperature Control Range from 20 to 35 °C Accuracy with ± 1 °C Dual Power Socket and Maximum Loading Power up to 1000W Including 500 W Heating Rod Over Heating Protection for Heating Rod Automat



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