Top 10 Best Koi Pond Heaters
for May 2022

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.8
SCORE
Farm Innovators Heated Electric Pond Koi Fish Stock Heater Convertible De-icer Ice Chaser H418c

Farm Innovators Heated Electric Pond Koi Fish Stock Heater Convertible De-icer Ice Chaser H418c

What We like

Versatile design which allows this stock tank heater to be used as a floating or submersible device

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Product Features

  • Thermostatically controlled to turn on and off automatically
  • The patented cast aluminum design is safe, reliable, and efficient
  • The cord is protected by a metal spring which serves to deter chewing
  • This de-icer will keep your tank from freezing in the winter and works best in tanks of 70 to 200 gallons

This de-icer will keep your tank from freezing in the winter and works best in tanks of 70 to 200 gallons The cord is protected by a metal spring which serves to deter chewing Thermostatically controlled to turn on and off automatically The patented cast aluminum design is safe, reliable, and efficient

2
9.5
SCORE
CrystalClear PondAir 2 Aerator Kits, Aeration for Water Gardens or Koi Ponds Up to 1,000 Gallons

Airmax CrystalClear PondAir 2 Aerator Kits

Aeration for Water Gardens or Koi Ponds Up to 1, 000 Gallons

by Airmax, Inc.
What We like

2 rolls of 30 feet black vinyl tubing, air flow regulator

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Product Features

  • Aeration for ponds up to 1,000 gallons, 2 feet deep
  • Complete aeration kit includes 2 round blue air stones, 2 check valves, 6 power cord
  • Add valuable oxygen and circulation to your Koi Pond or Water Garden
  • Extremely quiet operation, producing 0.15 CFM of airflow

Add valuable oxygen and circulation to your koi pond or water garden Aeration for ponds up to 1,000 gallons, 2 feet deep Extremely quiet operation, producing 0.15 cfm of airflow Complete aeration kit includes 2 round blue air stones, 2 check valves, 6 power cord

3
9.5
SCORE
Natural Waterscapes Pond Remedy | Koi Pond Cleaning Packets | Treats up to 16,000 gallons

Natural Waterscapes Pond Remedy

Koi Pond Cleaning Packets, Treats up to 16,000 gallons

by Natural Waterscapes
What We like

Pond Remedy is a blend of microbes, enzymes, and barley powder in easy-to-use water soluble packets

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Product Features

  • Breaks down nitrate, nitrate, and ammonia which improves conditions for pond fish
  • Package includes 16 packets - Use 1 packet to treat 1,000 gallons every 2 weeks
  • Treatment is safe for fish, wildlife, pets, and pond plants
  • Natural pond cleaner for fish ponds- clarifies water caused by suspended waste and nutrients

Treatment is safe for fish, wildlife, pets, and pond plants Natural pond cleaner for fish ponds- clarifies water caused by suspended waste and nutrients Package includes 16 packets - use 1 packet to treat 1,000 gallons every 2 weeks Breaks down nitrate, nitrate, and ammonia which improves conditions for pond fish

4
9
SCORE
Aquascape 39000 Pond Heater and De-icer for Pond Water Feature Gardens, 300 Watt

Aquascape 39000 Pond Heater and De-icer for Pond Water Feature Gardens

300 Watt

by Aquascape
What We like

Energy efficient design helps keep down operation cost

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Product Features

  • Ensures proper gas exchange; helps prevent winter fish loss and increases oxygen levels
  • Stainless steel construction prevents corrosion and cracking
  • Built-in LED light indicates when heater is in use; 22-foot cord; 3-year limited
  • Ideal for keeping a small hole opening the ice during cold winter months

Built-in led light indicates when heater is in use; 22-foot cord; 3-year limited Stainless steel construction prevents corrosion and cracking Ideal for keeping a small hole opening the ice during cold winter months Ensures proper gas exchange; helps prevent winter fish loss and increases oxygen levels

5
8.7
SCORE
HydroMaxx 100 feet x 1.5 Inch Black Flexible PVC Pipe, Hose and Tubing for Koi Ponds, Irrigation and Water Gardens. Includes Free 4oz Can of Hot Blue PVC Gorilla Glue!

Maxx Flex HydroMaxx 100 feet x 1.5 Inch Black Flexible PVC Pipe

Hose and Tubing for Koi Ponds, Irrigation and Water Gardens. Includes Free 4oz Can of Hot Blue PVC Gorilla Glue!

by HydroMaxx
What We like

Smooth Inside and Outside - allows unrestricted flow. Designed to be glued into Schedule 40 fittings

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Product Features

  • Very flexible - ideal for working in confined areas. Resistant to Chemicals - Crush and Impact Resistant
  • Authentic HydroMaxx PVC Pipe from MaxxFlex will always have the MaxxFlex or HydroMaxx name on the pipe or be labeled as such.
  • Very Flexible - ideal for working in confined areas. Reduces the number of required fittings and permits the installer/user to make smooth, tight turns. Saves time, labor and cost.
  • Includes Free 4oz Can of Hot Blue Gorilla PVC Glue. Works Great for Pools, Spas, Water Gardens and other applications. Recommended for use in wet conditions and/or where quick pressurization is desired.

Authentic HydroMaxx pvc pipe from maxxflex will always have the maxxflex or HydroMaxx name on the pipe or be labeled as such. Very flexible - ideal for working in confined areas. resistant to chemicals - crush and impact resistant Includes free 4oz can of hot blue gorilla pvc glue. works great for pools, spas, water gardens and other applications. recommended for use in wet conditions and/or where quick pressurization is desired. Very flexible - ideal for working in confined areas. reduces the number of required fittings and permits the installer/user to make smooth, tight turns. saves time, labor and cost.

6
8.5
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FLOATING POND DE-ICER 200 WATT POND HEATER-POND DE ICER

COLIBROX FLOATING POND DE-ICER 200 WATT POND HEATER-POND DE ICER

by United States
What We like

Installation: The de-icer should be placed at the northwest corner of the pond, up against the liner. In large or deep ponds, place unit in the shallowest part of the pond, preferably near a bank. The unit will turn on automatically when the temperature around the heating element is at 35-F and turns off when the water temperature is at 45-F (at -10-F air temperature).

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Product Features

  • Place the unplugged de-icer into the freezer for 30 to 45 minutes to activate the thermostat.
  • Remove the de-icer from the freezer and quickly plug the de-icer into a working outlet.
  • Air Test: Perform an "Air Test" to determine whether the de-icer is heating properly and the thermostat is functioning properly.
  • The unit will heat up and then shut off, indicated by a slight clicking sound. The clicking sound means the thermostat is working properly.

The unit will heat up and then shut off, indicated by a slight clicking sound. the clicking sound means the thermostat is working properly. Remove the de-icer from the freezer and quickly plug the de-icer into a working outlet. Air test: perform an "air test" to determine whether the de-icer is heating properly and the thermostat is functioning properly. Place the unplugged de-icer into the freezer for 30 to 45 minutes to activate the thermostat.

7
8
SCORE
API Pond Heater and Deicer Floating Pond De-Icer, 1000 Watt (Item No. P7621)

API Pond Heater and Deicer Floating Pond De-Icer

1000 Watt (Item No. P7621)

by Miller Manufacturing
What We like

BUOYANT ENCLOSURE - This pond heater has a rugged enclosed float that is designed to withstand the elements and is extremely durable. It keeps the deicer at the surface of the water in all conditions.

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Product Features

  • POWER CORD LENGTH - This pond deicer has a 15' anti-rub power cord.
  • HEATING CAPACITY - This pond heater is recommended for 70-100 gallons of water
  • KEEPS YOUR POND HEALTHY AND ICE FREE - This deicer keeps your pond completely ice-free, allowing fresh oxygen to reach the pond to keep fish healthy. The products thermostat prevents overheating of the water.
  • SAFE DESIGN, CSA & UL LISTED

Power cord length - this pond deicer has a 15' anti-rub power cord. Keeps your pond healthy and ice free - this deicer keeps your pond completely ice-free, allowing fresh oxygen to reach the pond to keep fish healthy. the products thermostat prevents overheating of the water. Heating capacity - this pond heater is recommended for 70-100 gallons of water Safe design, csa & ul listed

8
7.9
SCORE
EasyPro+ Thermo-Pond 1500 Watt Pond Heater De-Icer

EasyPro+ Thermo-Pond 1500 Watt Pond Heater De-Icer

by EasyPro
What We like

Easy to remove float ring allows deicer to be used as a bottom heater

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Product Features

  • Safe for all ponds
  • Can be used as a surface deicer or converts in seconds to a bottom heater
  • 1500 Watt Thermo-Pond Perfect Climate Deluxe Pond Deicer
  • Thermostatically controlled - operates only when needed, saving electricity

1500 watt thermo-pond perfect climate deluxe pond deicer Thermostatically controlled - operates only when needed, saving electricity Safe for all ponds Can be used as a surface deicer or converts in seconds to a bottom heater

9
7.9
SCORE
EasyPro+ Thermo-Pond 750 Watt Pond Heater De-Icer Thermostatically Controlled Floating or Submersible Heater

EasyPro+ Thermo-Pond 750 Watt Pond Heater De-Icer Thermostatically Controlled Floating or Submersible Heater

by EasyPro
What We like

Easy to remove float ring allows deicer to be used as a bottom heater

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Product Features

  • 750 Watt Thermo-Pond Perfect Climate Deluxe Pond Deicer
  • Can be used as a surface deicer or converts in seconds to a bottom heater
  • Thermostatically controlled - operates only when needed, saving electricity
  • Safe for all ponds

Thermostatically controlled - operates only when needed, saving electricity Can be used as a surface deicer or converts in seconds to a bottom heater Safe for all ponds 750 watt thermo-pond perfect climate deluxe pond deicer

10
7.9
SCORE
Aquascape 91131 EcoWave 2000 GPH Mag-Drive Pond and Waterfall Pump, Black

Aquascape 91131 EcoWave 2000 GPH Mag-Drive Pond and Waterfall Pump

Black

by Aquascape
What We like

Extremely Energy-efficient, Smart mag-drive technology developed to provide high flow rates

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Product Features

  • Made for continuous use; will not corrode or rust; compact design; Extremely quiet
  • Includes multiple fittings for quick and easy, tool-free installation; Use Check Valve Apapter item # 88058 when pairing with Aquascape Dual Union Check Valve 2. 0
  • Ideal for use in skimmer filters, pump vaults, large fountain basins, and other water feature applications
  • 3-Year Limited Manufacturer ; 20-foot cord length

Ideal for use in skimmer filters, pump vaults, large fountain basins, and other water feature applications Made for continuous use; will not corrode or rust; compact design; extremely quiet 3-year limited manufacturer ; 20-foot cord length Includes multiple fittings for quick and easy, tool-free installation; use check valve apapter item # 88058 when pairing with Aquascape dual union check valve 2. 0

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