Best Pond Heaters For Small Ponds of 2026

Last updated on 02/04/2026
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Best Choice
1
Cloverleaf Pond Heater 1kW - Weatherproof & Adjustable Temperature

Cloverleaf Pond Heater 1kW - Weatherproof & Adjustable Temperature

Cloverleaf
Why we love it
  • Weatherproof for outdoor use.
  • Flexible installation options available.
  • User-friendly temperature adjustments.
Main Highlights
  • Includes a Low Pressure Flow Switch from 4000Lph
  • Temperature Control Ranging From 0 - 40 Degrees
  • Optional ridged or flexible connection 50mm solvent coupling or ¾” – 1.5” Hosetail supplied
  • IP55 Rated Weatherproof
  • New Compact Design For Easy Fit
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9.9
Exceptional
9.9
Exceptional
Cloverleaf

Cloverleaf Pond Heater 1kW - Weatherproof & Adjustable Temperature

Why we love it
  • Weatherproof for outdoor use.
  • Flexible installation options available.
  • User-friendly temperature adjustments.
Main Highlights
  • Includes a Low Pressure Flow Switch from 4000Lph
  • Temperature Control Ranging From 0 - 40 Degrees
  • Optional ridged or flexible connection 50mm solvent coupling or ¾” – 1.5” Hosetail supplied
  • IP55 Rated Weatherproof
  • New Compact Design For Easy Fit
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Value for Money
2
VIHOSE 1000w Outdoor Pond Heater with Adjustable Knob, Fish Tank Heater Submersible with Protective Case and Extra Thick Safety Cable, Safe for 120 to 150 Gallon

VIHOSE 1000w Outdoor Pond Heater with Adjustable Knob, Fish Tank Heater Submersible with Protective Case and Extra Thick Safety Cable, Safe for 120 to 150 Gallon

VIHOSE
22% Off
Why we love it
  • Prevents pond freezing efficiently.
  • Durable stainless steel construction.
  • Adjustable thermostat for customization.
Main Highlights
  • Effective Winter Pond Protection: this 1000W pond heater is designed to prevent outdoor ponds from completely freezing over in cold weather; By maintaining an opening in the ice, it supports gas exchange and helps replenish oxygen levels in the water; This function reduces temperature-related stress in fish and supports a healthier aquatic environment throughout winter
  • Constructed with Sturdy Stainless Steel: made using robust stainless steel, this outdoor pond heater offers hurt resistance and a smooth anti-stick surface for easy cleaning; The material is safe for both fish and users; Its solid build helps avoid hurts and extends the unit's service life
  • Adjustable Thermostat for Customized Heating: equipped with a user-friendly rotary temperature control knob, this fish tank heater allows precise adjustment to match specific pond conditions; Users can easily set their desired water temperature, offering flexibility and improving comfort for aquatic life
  • Suitable for Small to Medium Ponds: with a 1000W heating capacity, this pond heater is ideal for small outdoor ponds or container water gardens holding approximately 120-150 gallons; It provides localized heating that helps keep a section of the pond ice-free while supporting healthier water quality; This outdoor pond heater includes safety enhancements such as an overheat protection mechanism and a heat-resistant top cover
  • Built with Safety Features: The power cable is extra thick and designed to resist wear; A standard 3-pin plug improves electrical safety for outdoor operation; When using this outdoor pond heater, please ensure that the stainless steel heater is completely immersed in water to prevent triggering the anti-dry burn protection. Before cleaning or changing the water, please unplug the power cord and wait for the heater to cool down for 10-20 minutes before removing it
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9.8
Exceptional
9.8
Exceptional
VIHOSE

VIHOSE 1000w Outdoor Pond Heater with Adjustable Knob, Fish Tank Heater Submersible with Protective Case and Extra Thick Safety Cable, Safe for 120 to 150 Gallon

22% Off
Why we love it
  • Prevents pond freezing efficiently.
  • Durable stainless steel construction.
  • Adjustable thermostat for customization.
Main Highlights
  • Effective Winter Pond Protection: this 1000W pond heater is designed to prevent outdoor ponds from completely freezing over in cold weather; By maintaining an opening in the ice, it supports gas exchange and helps replenish oxygen levels in the water; This function reduces temperature-related stress in fish and supports a healthier aquatic environment throughout winter
  • Constructed with Sturdy Stainless Steel: made using robust stainless steel, this outdoor pond heater offers hurt resistance and a smooth anti-stick surface for easy cleaning; The material is safe for both fish and users; Its solid build helps avoid hurts and extends the unit's service life
  • Adjustable Thermostat for Customized Heating: equipped with a user-friendly rotary temperature control knob, this fish tank heater allows precise adjustment to match specific pond conditions; Users can easily set their desired water temperature, offering flexibility and improving comfort for aquatic life
  • Suitable for Small to Medium Ponds: with a 1000W heating capacity, this pond heater is ideal for small outdoor ponds or container water gardens holding approximately 120-150 gallons; It provides localized heating that helps keep a section of the pond ice-free while supporting healthier water quality; This outdoor pond heater includes safety enhancements such as an overheat protection mechanism and a heat-resistant top cover
  • Built with Safety Features: The power cable is extra thick and designed to resist wear; A standard 3-pin plug improves electrical safety for outdoor operation; When using this outdoor pond heater, please ensure that the stainless steel heater is completely immersed in water to prevent triggering the anti-dry burn protection. Before cleaning or changing the water, please unplug the power cord and wait for the heater to cool down for 10-20 minutes before removing it
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3
Superfish Pond Heater 150 Watt

Superfish Pond Heater 150 Watt

Superfish
Why we love it
  • Long sleeve for extra warmth.
  • Fastening belt for fit.
  • Easy to wipe clean.
Main Highlights
  • Long Sleeve
  • FasteningBelt
  • Wipe clean
  • Model number: 260820
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9.8
Exceptional
9.8
Exceptional
Superfish

Superfish Pond Heater 150 Watt

Why we love it
  • Long sleeve for extra warmth.
  • Fastening belt for fit.
  • Easy to wipe clean.
Main Highlights
  • Long Sleeve
  • FasteningBelt
  • Wipe clean
  • Model number: 260820
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4
Hepo Pond Heater Floating for Koi Fish Pond Winter Anti Ice 150w / 300w / 600w (600w)

Hepo Pond Heater Floating for Koi Fish Pond Winter Anti Ice 150w / 300w / 600w (600w)

Hepo
Why we love it
  • Protects pond inhabitants perfectly.
  • Ensures efficient gas exchange.
  • Available in various sizes.
Main Highlights
  • The Hepo HP-600 range of floating pond heaters are ideal for keeping part of a pond from freezing in the winter to allow gas exchange at the surface, protecting the pond inhabitants.
  • These pond heaters are available in a choice of 3 sizes (150w, 300w and 600w). The temperature is not adjustable on these heaters. It is pre-set to heat to prevent the pond water from freezing.
  • The 150w model is ideal for pond up to 10,000 litres in size. The 300w model is ideal for ponds 10,000 to 20,000 litres in size. The 600w model is recommended for ponds which are larger than 20,000 litres.
  • All models are supplied with a 5 metre reinforced rubber external grade cable. The 150w and 300w heaters are supplied with 3 foam floats, and the 600w model is supplied with 4 foam floats.
  • The pond heater should only be operated when fully submerged in the pond, and for safety reasons it should be connected to a RCD (residual current device).
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9.7
Exceptional
9.7
Exceptional
Hepo

Hepo Pond Heater Floating for Koi Fish Pond Winter Anti Ice 150w / 300w / 600w (600w)

Why we love it
  • Protects pond inhabitants perfectly.
  • Ensures efficient gas exchange.
  • Available in various sizes.
Main Highlights
  • The Hepo HP-600 range of floating pond heaters are ideal for keeping part of a pond from freezing in the winter to allow gas exchange at the surface, protecting the pond inhabitants.
  • These pond heaters are available in a choice of 3 sizes (150w, 300w and 600w). The temperature is not adjustable on these heaters. It is pre-set to heat to prevent the pond water from freezing.
  • The 150w model is ideal for pond up to 10,000 litres in size. The 300w model is ideal for ponds 10,000 to 20,000 litres in size. The 600w model is recommended for ponds which are larger than 20,000 litres.
  • All models are supplied with a 5 metre reinforced rubber external grade cable. The 150w and 300w heaters are supplied with 3 foam floats, and the 600w model is supplied with 4 foam floats.
  • The pond heater should only be operated when fully submerged in the pond, and for safety reasons it should be connected to a RCD (residual current device).
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5
Blagdon Affinity Ice Vent 50w Pond Heater, Allows Oxygen In, Toxic Gases Out, Allows Fish to Breathe, for Ponds up to 5000 Litre,Black

Blagdon Affinity Ice Vent 50w Pond Heater, Allows Oxygen In, Toxic Gases Out, Allows Fish to Breathe, for Ponds up to 5000 Litre,Black

Blagdon
Why we love it
  • Supports aquatic life in Winter.
  • Unique energy-saving design.
  • Suitable for large ponds.
Main Highlights
  • Designed to retain an ice-free zone (vent), to support fish and aquatic life in the pond through Winter, allowing oxygen in and toxic gases to escape
  • Unique, 50w, convection design saves energy, water is warmed and rises up through the convection chamber to keep the lifesaving vent ice-free
  • This heater is suitable for ponds up to 5000 Litre, suitable for all Blagdon Affinity Living Feature Pools
  • If you have a larger pond more than one ice vent heater can be used to keep your pond from completely freezing over
  • This product comes with a 5m cable, but no plug is supplied due to safety legislation on outdoor electrical products in the UK
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9.5
Superb
9.5
Superb
Blagdon

Blagdon Affinity Ice Vent 50w Pond Heater, Allows Oxygen In, Toxic Gases Out, Allows Fish to Breathe, for Ponds up to 5000 Litre,Black

Why we love it
  • Supports aquatic life in Winter.
  • Unique energy-saving design.
  • Suitable for large ponds.
Main Highlights
  • Designed to retain an ice-free zone (vent), to support fish and aquatic life in the pond through Winter, allowing oxygen in and toxic gases to escape
  • Unique, 50w, convection design saves energy, water is warmed and rises up through the convection chamber to keep the lifesaving vent ice-free
  • This heater is suitable for ponds up to 5000 Litre, suitable for all Blagdon Affinity Living Feature Pools
  • If you have a larger pond more than one ice vent heater can be used to keep your pond from completely freezing over
  • This product comes with a 5m cable, but no plug is supplied due to safety legislation on outdoor electrical products in the UK
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6
Finest-Filters Floating Pond Heater for Koi Fish Pond Anti Ice Winter 150/300 / 600w (300w)

Finest-Filters Floating Pond Heater for Koi Fish Pond Anti Ice Winter 150/300 / 600w (300w)

Finest-Filters
Why we love it
  • Various wattage options available.
  • Protects fish during winter.
  • Includes floating ring feature.
Main Highlights
  • These pond heaters are a perfect way to protect your fish over the winter. Designed to stop the pond surface from freezing over in one localised area, allowing essential gas exchange. This protects fish and aquatic life during winter.
  • This device is not intended to heat the entire pond. It maintains an opening in the ice so oxygen can enter and harmful gases (CO₂, methane, ammonia) can escape.
  • Automatically switches on when temperatures drop near freezing and off again as conditions warm. Energy-efficient and safe for continuous winter use.
  • These heaters come complete with a floating ring, allowing the heater to float, and a 5 meter cable, with 3 pin UK plug.
  • The 150w model is ideal for ponds up to 10,000 litres, the 300w model up to 20,000 litres, and the 600w up to 40,000 litres.
Show More
9.5
Superb
9.5
Superb
Finest-Filters

Finest-Filters Floating Pond Heater for Koi Fish Pond Anti Ice Winter 150/300 / 600w (300w)

Why we love it
  • Various wattage options available.
  • Protects fish during winter.
  • Includes floating ring feature.
Main Highlights
  • These pond heaters are a perfect way to protect your fish over the winter. Designed to stop the pond surface from freezing over in one localised area, allowing essential gas exchange. This protects fish and aquatic life during winter.
  • This device is not intended to heat the entire pond. It maintains an opening in the ice so oxygen can enter and harmful gases (CO₂, methane, ammonia) can escape.
  • Automatically switches on when temperatures drop near freezing and off again as conditions warm. Energy-efficient and safe for continuous winter use.
  • These heaters come complete with a floating ring, allowing the heater to float, and a 5 meter cable, with 3 pin UK plug.
  • The 150w model is ideal for ponds up to 10,000 litres, the 300w model up to 20,000 litres, and the 600w up to 40,000 litres.
Show More
7
Finest-Filters Floating Pond Heater for Koi Fish Pond Anti Ice Winter 150/300 / 600w (600w)

Finest-Filters Floating Pond Heater for Koi Fish Pond Anti Ice Winter 150/300 / 600w (600w)

Finest-Filters
Why we love it
  • High quality pond heater.
  • Protects fish in winter.
  • Floating ring included.
Main Highlights
  • These pond heaters are a perfect way to protect your fish over the winter. Designed to stop the pond surface from freezing over in one localised area, allowing essential gas exchange. This protects fish and aquatic life during winter.
  • This device is not intended to heat the entire pond. It maintains an opening in the ice so oxygen can enter and harmful gases (CO₂, methane, ammonia) can escape.
  • Automatically switches on when temperatures drop near freezing and off again as conditions warm. Energy-efficient and safe for continuous winter use.
  • These heaters come complete with a floating ring, allowing the heater to float, and a 5 meter cable, with 3 pin UK plug.
  • The 150w model is ideal for ponds up to 10,000 litres, the 300w model up to 20,000 litres, and the 600w up to 40,000 litres.
Show More
9.3
Superb
9.3
Superb
Finest-Filters

Finest-Filters Floating Pond Heater for Koi Fish Pond Anti Ice Winter 150/300 / 600w (600w)

Why we love it
  • High quality pond heater.
  • Protects fish in winter.
  • Floating ring included.
Main Highlights
  • These pond heaters are a perfect way to protect your fish over the winter. Designed to stop the pond surface from freezing over in one localised area, allowing essential gas exchange. This protects fish and aquatic life during winter.
  • This device is not intended to heat the entire pond. It maintains an opening in the ice so oxygen can enter and harmful gases (CO₂, methane, ammonia) can escape.
  • Automatically switches on when temperatures drop near freezing and off again as conditions warm. Energy-efficient and safe for continuous winter use.
  • These heaters come complete with a floating ring, allowing the heater to float, and a 5 meter cable, with 3 pin UK plug.
  • The 150w model is ideal for ponds up to 10,000 litres, the 300w model up to 20,000 litres, and the 600w up to 40,000 litres.
Show More
8
Hepo Pond Heater Floating for Koi Fish Pond Winter Anti Ice 150w / 300w / 600w (300w)

Hepo Pond Heater Floating for Koi Fish Pond Winter Anti Ice 150w / 300w / 600w (300w)

Hepo
Why we love it
  • Prevents pond from freezing.
  • Available in multiple sizes.
  • Easy to install and use.
Main Highlights
  • The Hepo HP-600 range of floating pond heaters are ideal for keeping part of a pond from freezing in the winter to allow gas exchange at the surface, protecting the pond inhabitants.
  • These pond heaters are available in a choice of 3 sizes (150w, 300w and 600w). The temperature is not adjustable on these heaters. It is pre-set to heat to prevent the pond water from freezing.
  • The 150w model is ideal for pond up to 10,000 litres in size. The 300w model is ideal for ponds 10,000 to 20,000 litres in size. The 600w model is recommended for ponds which are larger than 20,000 litres.
  • All models are supplied with a 5 metre reinforced rubber external grade cable. The 150w and 300w heaters are supplied with 3 foam floats, and the 600w model is supplied with 4 foam floats.
  • The pond heater should only be operated when fully submerged in the pond, and for safety reasons it should be connected to a RCD (residual current device).
Show More
9.1
Superb
9.1
Superb
Hepo

Hepo Pond Heater Floating for Koi Fish Pond Winter Anti Ice 150w / 300w / 600w (300w)

Why we love it
  • Prevents pond from freezing.
  • Available in multiple sizes.
  • Easy to install and use.
Main Highlights
  • The Hepo HP-600 range of floating pond heaters are ideal for keeping part of a pond from freezing in the winter to allow gas exchange at the surface, protecting the pond inhabitants.
  • These pond heaters are available in a choice of 3 sizes (150w, 300w and 600w). The temperature is not adjustable on these heaters. It is pre-set to heat to prevent the pond water from freezing.
  • The 150w model is ideal for pond up to 10,000 litres in size. The 300w model is ideal for ponds 10,000 to 20,000 litres in size. The 600w model is recommended for ponds which are larger than 20,000 litres.
  • All models are supplied with a 5 metre reinforced rubber external grade cable. The 150w and 300w heaters are supplied with 3 foam floats, and the 600w model is supplied with 4 foam floats.
  • The pond heater should only be operated when fully submerged in the pond, and for safety reasons it should be connected to a RCD (residual current device).
Show More
9
tenlox 1000W Pond Heater for Outdoor Ponds with Fish, Deluxe Thermo-Pond Perfect Climate Deicer, Cast Aluminum-Able Floating De-Icer, Automatic Thermostat Controller

tenlox 1000W Pond Heater for Outdoor Ponds with Fish, Deluxe Thermo-Pond Perfect Climate Deicer, Cast Aluminum-Able Floating De-Icer, Automatic Thermostat Controller

tenlox
Why we love it
  • Smart thermostat saves energy.
  • 1000W efficiently melts ice.
  • Safe for fish and plants.
Main Highlights
  • SMART THERMOSTATIC CONTROL – AUTO ON/OFF: Our small pond heater features a built-in intelligent thermostat that automatically activates below 41°F and shuts off above 131°F . It keeps a small ice-free zone for gas exchange while saving up to 50% energy compared to non-thermostatic models.
  • STRONG 1000W HEATING PERFORMANCE: This pond heater delivers fast, efficient heating power to keep your pond surface open for oxygen exchange during harsh winters. With stable output and superior heat coverage, it melts ice twice as fast and wide as lower-wattage models — perfect for most ponds and cold climates.
  • SAFE FOR FISH & ALL POND TYPES: The fish-friendly floating design melts a small hole to exchange toxic gases for oxygen, eliminating the need to heat the entire pond. Suitable for 50-500 gallons plastic, rubber, or liner ponds and saltwater ponds. The sealed structure prevents electrical leakage and protects your koi and aquatic plants throughout the winter.
  • DURABLE & RUST-RESISTANT MATERIAL: Made from durable cast aluminum with an anti-corrosion coating, our de-icer withstands extreme cold and harsh weather. The solid shell ensures even heat distribution and long-term performance without deformation or rust.
  • EASY TO USE – PLUG & PLAY: Simply place the heater in your pond and plug it in — no assembly required. Equipped with a long 10ft UL-certified power cord for flexible placement. The indicator light lets you know when the unit is actively heating.
  • NOTE: Before use, fully submerge the de-icer to release trapped air so it can float level with about half the unit underwater. The red light turns on only when heating is needed. If it’s off, the water is already above freezing — it doesn’t mean the product stopped working or is broken.
  • PARAMETERS: Diameter: 7.3 inches, Height: 2.67 inches, Power: 1000W
Show More
9.0
Superb
9.0
Superb
tenlox

tenlox 1000W Pond Heater for Outdoor Ponds with Fish, Deluxe Thermo-Pond Perfect Climate Deicer, Cast Aluminum-Able Floating De-Icer, Automatic Thermostat Controller

Why we love it
  • Smart thermostat saves energy.
  • 1000W efficiently melts ice.
  • Safe for fish and plants.
Main Highlights
  • SMART THERMOSTATIC CONTROL – AUTO ON/OFF: Our small pond heater features a built-in intelligent thermostat that automatically activates below 41°F and shuts off above 131°F . It keeps a small ice-free zone for gas exchange while saving up to 50% energy compared to non-thermostatic models.
  • STRONG 1000W HEATING PERFORMANCE: This pond heater delivers fast, efficient heating power to keep your pond surface open for oxygen exchange during harsh winters. With stable output and superior heat coverage, it melts ice twice as fast and wide as lower-wattage models — perfect for most ponds and cold climates.
  • SAFE FOR FISH & ALL POND TYPES: The fish-friendly floating design melts a small hole to exchange toxic gases for oxygen, eliminating the need to heat the entire pond. Suitable for 50-500 gallons plastic, rubber, or liner ponds and saltwater ponds. The sealed structure prevents electrical leakage and protects your koi and aquatic plants throughout the winter.
  • DURABLE & RUST-RESISTANT MATERIAL: Made from durable cast aluminum with an anti-corrosion coating, our de-icer withstands extreme cold and harsh weather. The solid shell ensures even heat distribution and long-term performance without deformation or rust.
  • EASY TO USE – PLUG & PLAY: Simply place the heater in your pond and plug it in — no assembly required. Equipped with a long 10ft UL-certified power cord for flexible placement. The indicator light lets you know when the unit is actively heating.
  • NOTE: Before use, fully submerge the de-icer to release trapped air so it can float level with about half the unit underwater. The red light turns on only when heating is needed. If it’s off, the water is already above freezing — it doesn’t mean the product stopped working or is broken.
  • PARAMETERS: Diameter: 7.3 inches, Height: 2.67 inches, Power: 1000W
Show More
10
VIHOSE 3 Pcs 300w Outdoor Pond Heater Small Pond Heater Outdoor Heater Submersible Tank Heater for Small Ponds, with Long Cable Wire 2 Suction Cups and Protective Sleeves

VIHOSE 3 Pcs 300w Outdoor Pond Heater Small Pond Heater Outdoor Heater Submersible Tank Heater for Small Ponds, with Long Cable Wire 2 Suction Cups and Protective Sleeves

VIHOSE
Why we love it
  • Efficient for preventing freezing.
  • Durable quartz glass construction.
  • Easy installation with suction cups.
Main Highlights
  • What You Will Receive: you will receive 3 pieces of 300w aquarium heaters for small ponds with suction cups, long cable wire and protective sleeves, enough to meet your daily use and replacement needs, the heating rod can not be buried in the bottom sand, nor can it directly contact the glass, which will cause uneven heating of the glass and cause it to burst
  • Practical and Effective: pond heaters for outdoors can create a melting hole on the surface of the frozen pool and are applied to prevent the pond from freezing over completely, helping to replenish oxygen, when changing the water, please unplug it and wait for 5-8 minutes, wait for the residual heat of the heating rod to dissipate before adding new water or taking it out to avoid burns
  • Reliable Material: fish tank heaters are made of quality quartz glass material, strong and reliable, weatherproof and corrosion resistant, not easy to deform or break, which can support you for a long time; In addition, when changing the water, be careful not to let the water level get too low to expose the heating rod
  • Simple to Use: fish tank aquarium heaters are equipped with protective covers and suction cups, they can float on the water surface without sinking, or they can be fixed to the side of the fish tank with suction cups for more convenient use, the heating rod must be completely immersed in the water, it's better to place it vertically and in a place where there is a lot of water flowing through it
  • Using Suggestions: submersible water heaters come with long cable wire, suitable for outdoor fish tank, pond, regular cleaning is recommended to avoid debris adsorbed on the surface of the heater, affecting the heating effect; Do not energize the heating rod in the air, because the temperature rises very quickly in the air, if it is light, it will burn the heating rod, if it is serious, it will break the glass or burn people
Show More
8.8
Excellent
8.8
Excellent
VIHOSE

VIHOSE 3 Pcs 300w Outdoor Pond Heater Small Pond Heater Outdoor Heater Submersible Tank Heater for Small Ponds, with Long Cable Wire 2 Suction Cups and Protective Sleeves

Why we love it
  • Efficient for preventing freezing.
  • Durable quartz glass construction.
  • Easy installation with suction cups.
Main Highlights
  • What You Will Receive: you will receive 3 pieces of 300w aquarium heaters for small ponds with suction cups, long cable wire and protective sleeves, enough to meet your daily use and replacement needs, the heating rod can not be buried in the bottom sand, nor can it directly contact the glass, which will cause uneven heating of the glass and cause it to burst
  • Practical and Effective: pond heaters for outdoors can create a melting hole on the surface of the frozen pool and are applied to prevent the pond from freezing over completely, helping to replenish oxygen, when changing the water, please unplug it and wait for 5-8 minutes, wait for the residual heat of the heating rod to dissipate before adding new water or taking it out to avoid burns
  • Reliable Material: fish tank heaters are made of quality quartz glass material, strong and reliable, weatherproof and corrosion resistant, not easy to deform or break, which can support you for a long time; In addition, when changing the water, be careful not to let the water level get too low to expose the heating rod
  • Simple to Use: fish tank aquarium heaters are equipped with protective covers and suction cups, they can float on the water surface without sinking, or they can be fixed to the side of the fish tank with suction cups for more convenient use, the heating rod must be completely immersed in the water, it's better to place it vertically and in a place where there is a lot of water flowing through it
  • Using Suggestions: submersible water heaters come with long cable wire, suitable for outdoor fish tank, pond, regular cleaning is recommended to avoid debris adsorbed on the surface of the heater, affecting the heating effect; Do not energize the heating rod in the air, because the temperature rises very quickly in the air, if it is light, it will burn the heating rod, if it is serious, it will break the glass or burn people
Show More