Order By Item Number Order By Phone
Marine Depot HomeHome
Marine Depot's SpecialsSpecials
Marine Depot LiveLivestock
Marine Depot's New ItemsNew Items
Aquatic EducationEducation
Marine Depot ForumsForums
Help and InformationHelp & Info
New Customer? Register | Sign In
Narrow Your Search
Saltwater Aquarium Supplies
Glass Tube (6)
Accessories (1)
Substrate Cables (4)
Inline/ Specialty (4)
 
Browse by Price
$40 or less $40 and more
 

Top sellers
Hydor THEO Heater 400 Wat... Hydor Mini Aquarium Heate... Hydor THEO Heater 300 Wat... Hydor THEO Heater 100 Wat... Hydor THEO Heater 50 Watt Hydor ETH 300 In-Line Hea...
 
 
Aquarium Supplies  
Additives

Air Pumps

Aquariums

Books & Cd's

Calcium Reactors

CO2 Regulator Kits

Chillers

Controllers

Dosing Pumps/Top-Off

Filters

Filter Media

Food

Freshwater Products

Heaters

Hydrometer

Lighting

Maintenance

Medications

Miscellaneous

Overflow Boxes

Ozonizers

Plumbing Parts

Powerheads

Protein Skimmers

Pumps (External)

Reverse Osmosis

Salt Mix

Substrate

Test Kits

Thermometers

UV Sterilizers

Wavemakers

Wet/Dry Filters

Shop By Brand


Pond Supplies

Reef Tank Packages

Betta Store

Coral Propagation

Clearance

Gift Certificates

Home » Saltwater Aquarium Supplies » Heaters » 15 items found
Selected Filters:
Brand: Hydor
  Search my results:  Sort By: Display items:

Hydor ETH 200 In-Line Heater 200 Watt - 1/2 inch

ETH 200 In-Line Heater UL Listed 200 Watt for 12mm & 1/2" Hose External thermal heater which includes the PTC system. Suitable for all external canister filters The Hydor ETH in-line external heater is designed for vertica...

Avg. Customer Review (2) reviews

Inline/ Specialty: See all items
Our Price: $57.99
Item Code: HD08103

Hydor ETH 201 In-Line Heater 200 Watt - 5/8 inch

ETH 201 In-Line Heater UL Listed 200 Watt for 16mm & 5/8" Hose External thermal heater which includes the PTC system. Suitable for all external canister filters The Hydor ETH in-line external heater is designed for vertical...

Avg. Customer Review (1) reviews

Inline/ Specialty: See all items
Our Price: $58.99
Item Code: HD08110

Hydor ETH 300 In-Line Heater 300 Watt - 5/8 inch

ETH 300 In-Line Heater UL Listed 300 Watt for 16mm & 5/8" Hose External thermal heater which includes the PTC system. Suitable for all external canister filters The Hydor ETH in-line external heater is designed for vertical...

Avg. Customer Review (10) reviews

Inline/ Specialty: See all items
Our Price: $59.99
Item Code: HD08203

Hydor HYDROKABLE Cable Heater 100 Watt

Hydrokable 100Watt 32.8` 40-65 gal Heating cable for fresh water, marine aquariums and terrariums. The Hydor Hydrokable heating cable is a versatile substrate heater designed for use in aquariums and terrariums. Ideal for use c...

Be 1st to review

Substrate Cables: See all items
Our Price: $39.99
Item Code: HD04407

Hydor HYDROKABLE Cable Heater 25 Watt

Hydrokable 25W 14.1` 10-18 gal Heating cable for fresh water, marine aquariums and terrariums. The Hydor Hydrokable heating cable is a versatile substrate heater designed for use in aquariums and terrariums. Ideal for use compl...

Be 1st to review

Substrate Cables: See all items
Our Price: $29.99
Item Code: HD04107

Hydor HYDROKABLE Cable Heater 50 Watt

Hydrokable 50Watt 19.7` 16-35 gal Heating cable for fresh water, marine aquariums and terrariums. The Hydor Hydrokable heating cable is a versatile substrate heater designed for use in aquariums and terrariums. Ideal for use ...

Avg. Customer Review (1) reviews

Substrate Cables: See all items
Our Price: $32.99
Item Code: HD04207

Hydor HYDROKABLE Cable Heater 75 Watt

Hydrokable 75Watt 24.6` 30-50 gal Heating cable for fresh water, marine aquariums and terrariums. The Hydor Hydrokable heating cable is a versatile substrate heater designed for use in aquariums and terrariums. Ideal for use co...

Be 1st to review

Substrate Cables: See all items
Our Price: $36.99
Item Code: HD04307

Hydor HYDROSET Electronic Thermostat with temp dial

Hydroset with temperature dial Electronic thermostat for regulating temperature when used in aquariums and terrariums. The Hydor Hydroset electronic thermostat regulates the temperature of aquarims and terrariums when used with...

Avg. Customer Review (2) reviews

Accessories: See all items
Our Price: $54.99
Item Code: HD03301

Hydor Mini Aquarium Heater 7.5 Watt for tanks up to 5 gallons

MINI heater 7.5 Watt for small aquariums and fish bowls up to 20 liters (5 gal) The Hydor Mini Heater is specially designed for small aquariums and fish bowls up to 5 gallons. Easy installation and quick maintenance. Perfect fo...

Avg. Customer Review (9) reviews

Inline/ Specialty: See all items
Our Price: $12.99
Item Code: HD10401

Hydor THEO Heater 100 Watt

Theo 100W For Aquariums 14–26 gallons New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology. The Hydor Theo heater line features PTC patented thermal technology which makes it among t...

Avg. Customer Review (2) reviews

Glass Tube: See all items
Our Price: $23.99
Item Code: HD11202

Hydor THEO Heater 150 Watt

Theo 150W For Aquariums 23–40 gallons New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology. The Hydor Theo heater line features PTC patented thermal technology which makes it among t...

Be 1st to review

Glass Tube: See all items
Our Price: $24.99