The 7 Best Stock Water Tank heaters (2023 reviews)

We consider a stock water tank heater to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: API stainless steel Heating element READ REVIEW

Best For lower wattages: Buy: Kh pet products Stock Water Tank Heater READ REVIEW

Best For cow trough: Buy: Allied Precision industries Stock Water Tank Heater READ REVIEW

Best For plastic Tank: Buy: API Stock Water Tank Heater READ REVIEW

Best For Birdbath: Buy: Comincia Stock Water Tank Heater READ REVIEW

Best For livestock Water: Buy: Farm Innovators Inc Fi Stock Water Tank Heater READ REVIEW

Best For cold weather: Buy: Farm Innovators Stock Water Tank Heater READ REVIEW

Best Overall: API stainless steel Heating element

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Here, we review heater that manages to win our hearts. It's the api stainless steel heating element and it's widely considered as one of best heater you can buy. This is an industrial size heater for hundred(s) gallon ponds. It is designed to float. It is thermastaticly controlled and only comes on when needed, leaving a nice opening in the ice for the fish to get oxygen. This keeps the heater from migrating to where it might harm liners, etc. It is safe for fish.

This thing has a large section of water open in near zero weather. The coils are exposed so they can burn themselves or side of the plastic pool. It is used for a horse trough in the winter.

• Releases gases that might otherwise harm fish
• Good brand reputation

Best For lower wattages: Kh pet products Stock Water Tank Heater

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Kh Pet Products has been making great heater for years, thanks to a combination of clever design and appropriate materials. It works great in a STOCK tank,large tub of water for horses, cows, etc. It includes a full cage and cord clip. It’s on or off depending on water temp. It works well, the cord has to warm up to float right.

This deicer automatically turns on and off as needed to keep your stock tank from freezing over. It is great for lower wattages in horse tanks. It floats very nicely and moves around freely. They feature internal thermostats and will turn on and off as necessary to keep the tank from freezing over.

• Works great until it shorts out
• Works great keeping a 150 gallon stock tank freeze free in
• 250 watts is plenty for a 40 gallon trough
• Hangs with the weather, only turning on when needed

Best For cow trough: Allied Precision industries Stock Water Tank Heater

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The allied precision industries stock water tank heater should be able to handle its purpose and duties with ease. This heater keeps the horses 100 gallon water tank free of ice. The tank heater works perfectly when replaced in the tank. The wire cage protects the trough itself from burning. They use brass plates brazed to ship's hulls to prevent rusting. The frame could be easily squeezed a bit smaller. The warm water will need to Circulate Through The Pump To Keep The Inner Lines From Freezing.

This tank heater turns on when the water temp drops to 40 degrees, and keeps it at that temperature. The tank water needs to be at least 4 " deep to cover this tank heater.

• Keeps water at the right temperature
• Works fine on both cement and rubber liner ponds
• A good tank heater even for alaskan winters

Best For plastic Tank: API Stock Water Tank Heater

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Best part: api stock water tank heater costs comparatively low and it is available to ship in 24 hours. These are designed for a livestock water trough. It is a customer-driven manufacturer and international distributor of farm, ranch, and pet products. It measures 6" round and additionally can handle hard water. It floats and will move around the pond unless you anchor it.

This heater costs less than tsc and comes with more ways to use it. The metal parts don't develop a heavy crust and just "shed" whatever light flakes do develop. It is also large to drop through a 7" hole. It is safe for use in plastic water tanks.

• Protected wiring plug as well to unit
• Gallon pond ice-free, protecting both fish and plants
• Better for a full melt job like water for livestock
• Works well for 100 gallon stock tank

Best For Birdbath: Comincia Stock Water Tank Heater

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Best part: comincia stock water tank heater costs comparatively low and it is available to ship in 24 hours. This heater keeps the birdbath ice free throughout the winter. It's supposed to start heating up as it detects the water temperature at freezing point. It is made of cast aluminum with a teflon coating that helps reduce mineral buildup, improve corrosion resistance and extend the life of the unit. It is a big plus that it lists it as thermostatically controlled so it only comes on near freezing temps. It keeps the water available to the birds and other aminals in very cold weather.

This heater only comes on when the water temp hits 35 degrees, so you never waste electricity. It is supposed to start heating up as it detects the water temperature at freezing point. It is perfect for a dog kennel or bird baths.

• Keeps water from freezing very easy to use
• Able to keep five gallon birdbath ice free in single digit temperatures
• Stops freezing water in cold weather

Best For livestock Water: Farm Innovators Inc Fi Stock Water Tank Heater

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The farm innovators inc fi stock water tank heater is capable of outshining several other heater featured in this list in overall features for the price point. This is great for goats because goats like warm-hot water when it's really cold outside. It is designed to heat up to 5 gallons of water quickly and efficiently. It is able to regulate the water temperature between 100 and 110 degrees fahrenheit. The power cord is thick and well insulated.

The heater can maintain 75f easily with ambient 55f and warmer. It is good convection of the water around the heater to let it transfer its heat to the water efficiently. This would be handy in a bucket as well, preventing the water from getting too hot, and maintaining it at that luke-warm temperature even if you walk off and forgot about it. These have confidence that your animals will be taken care of during the cold season.

• Warms a garbage can of water for dog washing
• Excellent, high quality metal heater with little stand off feet and thermostat sealed inside
• Heats up in less than 1hr and keeps it warm

Best For cold weather: Farm Innovators Stock Water Tank Heater

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The farm innovators stock water tank heater's material feels more premium than its price would suggest. The icer is designed to rest on the bottom of a stock tank, unnoticed by livestock. The Model H-439 does not automatically shut off when it is out of water as it cannot sense when it is out of water or dry. This is in a cut open plastic barrel water trough, no melting as the heating element is suspended by a wire cage. The water is cool and no ice build up. Two of these drop in heaters keep it ice free.

The heater is about 12 inches in diameter and about 8 inches from bottom of the cage to the top of the module. The animals appreciate having water and not having to break the ice. This is very efficient and just the size for the stock tank.

• Keeps the water just above freezing but not warm
• Has worked with all the weather conditions
• Works great, no more frozen water
• Easy to use and works quite well