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20 Best Heater For Reef Tank (2023 Updated)

A heater for a reef tank is an aquarium heater that is used to maintain a consistent and warm water temperature in the aquarium. Heaters are an important part of a reef tank set-up as many of the animals that are kept in a reef tank come from warm water environments.

Without a heater, the water temperature in the aquarium would fluctuate and could stress the animals or even kill them.

20 Best Heater For Reef Tank

Product Image Product Name Features Price

Innovative Marine Helio PTC Smart Reef Aquarium Heater (100 watt)

  • 100 Watt

200 Watt Fluval Vuetech E Series Heater

  • E200 – 200 Watts – Up To 65 Gallons (14″ Long)

Finnex 500W+ Titanium Heater Element

  • 500 W

Fluval 'M' 200-Watt Submersible Heater

  • ‘m’ 200 W

Finnex Hang-On Electronic Controller Aquarium Heater, Titanium Tube

  • Titanium Tube
  • Sleek analog controller
  • HMA 500: 100-120 Gallons

Aquatop Titanium Heater w/Controller

  • Temperature range is 68F – 92F.
  • Ultra tough titanium construct.
  • Easy-to-read temperature indicator.

Aqueon Pro Heater – 150 Watt

  • Power monitor light
  • Shatterproof and nearly indestructible
  • Electronic thermostat for accurate temperature settings

Eheim Jager Aquarium Heater, 250 Watt

  • Perfect for freshwater or saltwater aquariums
  • Fully submersible aquarium heater with dry-run protection
  • Adjustable from 64°F to 94°F with an easy to adjust thermostat

Aqua One Glass Heater, 18.5 cm, 25 W AH25

  • 18.5 cm, 25 W

Tetra HT Aquarium Heater

  • 25 l 25 watt Tetra HT 50 25
  • 60 l 50 watt Tetra HT 75 60
  • 100 l 75 watt Tetra HT 100 100

Aquael 75W Ultra Aquarium Heater

  • 75 W

Dyna-Glo 30K LP Tank Top Heater – CSA – Silver

  • 30000 Btu

Fluval P25 – 25W Submersible Aquarium Heater

  • 25 W

Eheim Jager TruTemp Submersible Aquarium Heater – 75W 13261003

  • 75 W

Marina Submersible Aquarium Heater

  • Works excellently for both fresh and saltwater aquariums
  • Comes with all essential features
  • Easy to install includes bracket with suction cups

Aqueon Submersible Heater – 50 Watt

  • 50 Watt

Hidom Aquarium Heater 25W HT-2025 – Upgraded Specification

  • 25 W

Dyna-Glo LP Tank Top Heater 15K TT15CDGP

  • Produces 15 000 BTUs/hour to help keep you warm and comfortable.
  • Heats a radius of up to 15 ft.
  • Swiveling burner head and adjustable heat angle allow for heat in multiple directions.

Cascade 300 Watt Submersible Aquarium Heater – Penn-Plax

  • 300 Watt
Innovative Marine Helio PTC Smart Reef Aquarium Heater (100 watt)
  • 100 Watt
200 Watt Fluval Vuetech E Series Heater
  • E200 – 200 Watts – Up To 65 Gallons (14″ Long)
Finnex 500W+ Titanium Heater Element
  • 500 W
Fluval 'M' 200-Watt Submersible Heater
  • ‘m’ 200 W
Finnex Hang-On Electronic Controller Aquarium Heater, Titanium Tube
  • Titanium Tube
  • Sleek analog controller
  • HMA 500: 100-120 Gallons
Aquatop Titanium Heater w/Controller
  • Temperature range is 68F – 92F.
  • Ultra tough titanium construct.
  • Easy-to-read temperature indicator.
Aqueon Pro Heater – 150 Watt
  • Power monitor light
  • Shatterproof and nearly indestructible
  • Electronic thermostat for accurate temperature settings
Eheim Jager Aquarium Heater, 250 Watt
  • Perfect for freshwater or saltwater aquariums
  • Fully submersible aquarium heater with dry-run protection
  • Adjustable from 64°F to 94°F with an easy to adjust thermostat
Aqua One Glass Heater, 18.5 cm, 25 W AH25
  • 18.5 cm, 25 W
Tetra HT Aquarium Heater
  • 25 l 25 watt Tetra HT 50 25
  • 60 l 50 watt Tetra HT 75 60
  • 100 l 75 watt Tetra HT 100 100
Aquael 75W Ultra Aquarium Heater
  • 75 W
Dyna-Glo 30K LP Tank Top Heater – CSA – Silver
  • 30000 Btu
Fluval P25 – 25W Submersible Aquarium Heater
  • 25 W
Eheim Jager TruTemp Submersible Aquarium Heater – 75W 13261003
  • 75 W
Marina Submersible Aquarium Heater
  • Works excellently for both fresh and saltwater aquariums
  • Comes with all essential features
  • Easy to install includes bracket with suction cups
Aqueon Submersible Heater – 50 Watt
  • 50 Watt
Hidom Aquarium Heater 25W HT-2025 – Upgraded Specification
  • 25 W
Dyna-Glo LP Tank Top Heater 15K TT15CDGP
  • Produces 15 000 BTUs/hour to help keep you warm and comfortable.
  • Heats a radius of up to 15 ft.
  • Swiveling burner head and adjustable heat angle allow for heat in multiple directions.
Cascade 300 Watt Submersible Aquarium Heater – Penn-Plax
  • 300 Watt

1. Innovative Marine Helio PTC Smart Reef Aquarium Heater (100 watt)

Innovative Marine Helio PTC Smart Reef Aquarium Heater (100 watt)

  • 100 Watt

Check Latest Price

Sold By Price
Amazon.com – Seller
Innovative Marine
BulkReefSupply.com
SaltwaterAquarium.com

Product Details

Specifications

Details
Factory Preset Temperature 77°F
Factory Preset Low Alarm 74°F
Factory Preset High Alarm 80°F
Temp Set Range 59° – 95°F
Low Alarm General Range 57° – 93°F

2. 200 Watt Fluval Vuetech E Series Heater

200 Watt Fluval Vuetech E Series Heater

  • E200 – 200 Watts – Up To 65 Gallons (14″ Long)

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Amazon.com
eBay
Miscota.com
fruugo.com

Product Details

Specifications

Details
Product Dimensions 1.8 x 3.3 x 17 inches
Country of Origin Italy
Is Discontinued By Manufacturer No
Style E200
Voltage 230 Volts

Reviews From Real Customers

rper1830

3. Finnex 500W+ Titanium Heater Element

Finnex 500W+ Titanium Heater Element

  • 500 W

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Sold By Price
Amazon.com – Seller
eBay – premiumaq
SaltwaterAquarium.com
Premium Aquatics

Product Details

Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 13.5 x 1 x 1 inches; 1.23 Pounds
Item Package Dimensions L x W x H 16.69 x 3.15 x 2.52 inches
Item Dimensions LxWxH 13.5 x 1 x 1 inches
Target Audience Keyword Reptiles, Fish; insects; reptiles, Insects, Fish

4. Fluval ‘M’ 200-Watt Submersible Heater

Fluval 'M' 200-Watt Submersible Heater

  • ‘m’ 200 W

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Sold By Price
Amazon
eBay
Walmart – Kens Fish Inc.
PetSmart

Product Details

Specifications

Details
MODEL Item # M50 A781
Wattage 50 W
Dimensions L x W x H

5. Finnex Hang-On Electronic Controller Aquarium Heater, Titanium Tube

Finnex Hang-On Electronic Controller Aquarium Heater, Titanium Tube

  • Titanium Tube
  • Sleek analog controller
  • HMA 500: 100-120 Gallons
  • Age range description: all life stages

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Sold By Price
Amazon
eBay – nhwade
pilottop.com

Product Details

Specifications

Details
Product Dimensions 14.48 x 1 x 1 inches; 14.4 Ounces
Item Package Dimensions L x W x H 17.5 x 3.7 x 2.2 inches
Item Dimensions LxWxH 14.48 x 1 x 1 inches
Target Audience Keyword Reptiles, Insects, Fish, Algae-eaters, Betta-fish
Directions Indoor Aquarium Use

6. Aquatop Titanium Heater w/Controller

Aquatop Titanium Heater w/Controller

  • Temperature range is 68F – 92F.
  • Ultra tough titanium construct.
  • Easy-to-read temperature indicator.
  • Remote sensor for accurate temperatures.
  • For fresh or saltwater systems.

Check Latest Price

Sold By Price
Amazon
eBay
Walmart – Aquatop
Sears – ErgodE

Product Details

Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 12 x 3 x 4 inches; 15.84 Ounces
Item Package Dimensions L x W x H 13.11 x 3.07 x 2.01 inches
Item Dimensions LxWxH 12 x 3 x 4 inches
Target Audience Keyword Fish

7. Aqueon Pro Heater – 150 Watt

Aqueon Pro Heater - 150 Watt

  • Power monitor light
  • Shatterproof and nearly indestructible
  • Electronic thermostat for accurate temperature settings
  • Fully submersible
  • For fresh or saltwater aquariums

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Sold By Price
Amazon
eBay
Petco.com
LiveAquaria.com

Product Details

Specifications

Details
Weight 0.75 lb

Reviews From Real Customers

Corey987345983475897

8. Eheim Jager Aquarium Heater, 250 Watt

Eheim Jager Aquarium Heater, 250 Watt

  • Perfect for freshwater or saltwater aquariums
  • Fully submersible aquarium heater with dry-run protection
  • Adjustable from 64°F to 94°F with an easy to adjust thermostat

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
Chewy.com

Product Details

Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 1.95 x 2.5 x 23 inches; 15.2 Ounces
Item Package Dimensions L x W x H 21.89 x 2.83 x 1.89 inches
Item Dimensions LxWxH 1.95 x 2.5 x 23 inches
Target Audience Keyword Fish

9. Aqua One Glass Heater, 18.5 cm, 25 W AH25

Aqua One Glass Heater, 18.5 cm, 25 W AH25

  • 18.5 cm, 25 W

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Sold By Price
Amazon
bigamart.com

Product Details

Specifications

Details
Manufacturer Part Number AH25
Product Name Audio/Video Y-Adapter Cable
Packaged Quantity 1
Product Type Audio Cable
Number of Ways 2-way

Reviews From Real Customers

c99rz_77
lacoau8

10. Tetra HT Aquarium Heater

Tetra HT Aquarium Heater

  • 25 l 25 watt Tetra HT 50 25
  • 60 l 50 watt Tetra HT 75 60
  • 100 l 75 watt Tetra HT 100 100
  • 150 l 100 watt Tetra HT 150 150
  • 225 l 150 watt Tetra HT 200 225

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Sold By Price
Amazon
eBay – animal-and-fish
Vivapets

Product Details

11. Aquael 75W Ultra Aquarium Heater

Aquael 75W Ultra Aquarium Heater

  • 75 W

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Sold By Price
Amazon
eBay – saltwateraq
Walmart – Aquael USA
inTank

Product Details

Specifications

Details
Length 8.2″
Recommended tank size 16-26 gal
Power 75W

12. Dyna-Glo 30K LP Tank Top Heater – CSA – Silver

Dyna-Glo 30K LP Tank Top Heater - CSA - Silver

  • 30000 Btu

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Sold By Price
Amazon
eBay – buildinc
Build.com
Overstock.com

Product Details

Specifications

Details
BTU Output 9,000 / 13,000 / 15,000 / 18,000 / 26,000 / 30,000
Output Settings 6
Heating Area (Sq.FT) 30 ft. Radius
Minimum LP Tank Required (lbs) 20
Fuel Consumption (lbs/Hr) .42 – 1.39

Reviews From Real Customers

thomas4925

13. Fluval P25 – 25W Submersible Aquarium Heater

Fluval P25 - 25W Submersible Aquarium Heater

  • 25 W

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Amazon
eBay
PetSmart
Miscota.com

Product Details

Specifications

Details
Primary Brand Fluval
Length 2.1 IN

Reviews From Real Customers

johnnyringo1515

14. Eheim Jager TruTemp Submersible Aquarium Heater – 75W 13261003

Eheim Jager TruTemp Submersible Aquarium Heater - 75W 13261003

  • 75 W

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Sold By Price
Amazon
Premium Aquatics

Product Details

Reviews From Real Customers

Cathy
Lisa A.
Amit S.

15. Marina Submersible Aquarium Heater

Marina Submersible Aquarium Heater

  • Works excellently for both fresh and saltwater aquariums
  • Comes with all essential features
  • Easy to install includes bracket with suction cups
  • Water proof sealing

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Sold By Price
Amazon
eBay
Miscota.com
PetMountain.com

Product Details

Specifications

Details
Weight 0.05 oz

16. Aqueon Submersible Heater – 50 Watt

Aqueon Submersible Heater - 50 Watt

  • 50 Watt

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Sold By Price
Amazon
eBay
the Pet Stop

Product Details

Specifications

Details
Is Discontinued By Manufacturer ‏ ‎ No
Product Dimensions ‏ ‎ 3.8 x 11 x 1.5 inches; 8 Ounces
Item Package Dimensions L x W x H ‎9.8 x 3.9 x 1.6 inches
Item Dimensions LxWxH ‎3.8 x 11 x 1.5 inches
Target Audience Keyword ‎Fish

Reviews From Real Customers

Bkelly3464
Betta Fish Freindly

17. Hidom Aquarium Heater 25W HT-2025 – Upgraded Specification

Hidom Aquarium Heater 25W HT-2025 - Upgraded Specification

  • 25 W

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Sold By Price
Amazon
eBay – finest-filters1
NxDeals.com

Product Details

Reviews From Real Customers

987jmk
richardr8049

18. Dyna-Glo LP Tank Top Heater 15K TT15CDGP

Dyna-Glo LP Tank Top Heater 15K TT15CDGP

  • Produces 15 000 BTUs/hour to help keep you warm and comfortable.
  • Heats a radius of up to 15 ft.
  • Swiveling burner head and adjustable heat angle allow for heat in multiple directions.
  • Manual match-light ignition helps provide a quick and easy startup.
  • Safety shutoff valve stops gas flow if flame is extinguished.

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Sold By Price
Amazon
eBay
Walmart
Wayfair

Product Details

Specifications

Details
Gas Type Liquid Propane
BtuH Output 9000 to 15,000
Includes Valve
Length 7 1/8 in
Ignition Type Standing Pilot

Reviews From Real Customers

Atonre
laura.e

19. Cascade 300 Watt Submersible Aquarium Heater – Penn-Plax

Cascade 300 Watt Submersible Aquarium Heater - Penn-Plax

  • 300 Watt

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Amazon
eBay
Walmart
Chewy.com

Product Details

Specifications

Details
Fish Type All Fish Types
Maximum Tank Capacity 75 gal
Maximum Temperature 89 F
Minimum Tank Capacity 55 gal
Minimum Temperature 68 F

Reviews From Real Customers

Patricia

20. Hygger 925 Quartz Aquarium Heater with IC Temperature Controller, 300 W(30-60 Gallon)

Hygger 925 Quartz Aquarium Heater with IC Temperature Controller, 300 W(30-60 Gallon)

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Sold By Price
Amazon
petnannystore

Product Details

Reviews From Real Customers

whistlestop1-4
eltoro079

Conclusion

There are many factors to consider when choosing a heater for your reef tank. The size of your tank, the type of fish and invertebrates you keep, and the temperature you need to maintain are all important factors.

Heaters come in a variety of sizes, shapes, and wattages, so it is important to choose the right one for your particular setup.

When choosing a heater, it is important to make sure that it is fully submersible and has a thermostat. It is also important to choose a heater with a high wattage for larger tanks. Heaters typically range from 25 watts to 300 watts.

Once you have chosen the right heater for your tank, it is important to install it properly. Heaters should be installed in an area with good water circulation. Heaters can be mounted on the side of the tank or placed underneath the gravel.

Heaters are an important part of any reef tank and should be chosen carefully to ensure the health and happiness of your fish and invertebrates.

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