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Description
hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and SaltwaterAbout This 300 WATTS AQUARIUM HEATER 300W aquarium heater is suitable for 40 to 80 gallon saltwater and freshwater aquariums. The heater length is 10. 8 inches, voltage 110 120V, power cord is 10. 1 feet. Please select the appropriate wattage aquarium heater according to our size chart OVERHEATING & OUT OF WATER PROTECTION When the water temperature exceeds 94F or it is lower than the minimum water level, the heater will automatically cut off the
About This
- 🐠300 WATTS AQUARIUM HEATER - 300W aquarium heater is suitable for 40 to 80 gallon saltwater and freshwater aquariums. The heater length is 10.8 inches, voltage 110-120V, power cord is 10.1 feet. Please select the appropriate wattage aquarium heater according to our size chart
- 🐠OVERHEATING & OUT OF WATER PROTECTION - When the water temperature exceeds 94°F or it is lower than the minimum water level, the heater will automatically cut off the power and stop heating, it will display an error code and sound an alarm until the water temperature is below 94°F or the heater is completely immersed in the water. Error code: HH-high temp; LL-low temp; AUTO shut off-out off water. Multiple protection, let you get rid of "boiled fish"!
- 🐠DIGITAL LED CONTROLLER - Temperature adjustable range: 59℉-93℉, Accuracy：±1°F. You can use the included bracket to mount the controller on the edge of the tank to adjust the temperature without reaching into the water. LED controller shows the current water temperature, preset temperature, working power and more warning sign of Low/ Hi temperature/ Auto shut off. Very easy to operate!
- 🐠EFFICIENT AND EXPLOSION PROOF - The aquarium heater is made of explosion-proof quartz glass and high-temperature resistant nickel-chromium heating wire. This results in faster water heating, safer, and more longer-lasting. The heater guard is made of high quality PC plastic to protect your fish from burns
- 🐠COMPLETE ACCESSORIES AND WARRANTY - This aquarium heater comes with accessories you need. Package includes 1 aquarium heater, 1 controller, 3 suction cups, 1 bracket and 1 hook. It offers 12 months warranty.
Overview
- Color : black
- Brand : hygger
- Material : Nickel complex, Plastic, Quartz
- Item Weight : 2.2 Pounds
- Product Dimensions : 3"L x 1.2"W x 10.8"H
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Helps fixing small engines
Size: 2 fl oz
⭐⭐⭐⭐⭐⭐⭐
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Reviewed in the United States on May 16, 2026
★★★★★ 5
It works like magic, saved me $150.
Size: 2 fl oz
I filled 1/4 tank of gas into my snowblower which I could not started, sprayed about 15 seconds of Start Your Engines, rock snowblower to mix well, let it sat for an hour. I pulled string and yet couldn't start engine. Unscrewed spark plug and spray some into cylinder, put the spark plug back and pull the string. ENGINE STARTED!!! SAVED ME AT THE LEAST $150.
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Reviewed in the United States on March 1, 2026
★★★★★ 5
Great
Size: 2 fl oz
Great
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Reviewed in the United States on May 22, 2026
★★★★★ 1
Flimsy Nozzle
Size: 2 fl oz
The nozzle is so flimsy at the moment I pressed on it it popped off the can into the gas tank. I didn’t press it softly but I also didn’t press it very hard either, getting it out was a huge pain in the butt.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
The Ultimate Multi-Use Motor Treatment – A Must-Have for Any Vehicle!
Color: Pack of 4
The Sea Foam SF-16 Motor Treatment is an outstanding product that truly delivers on its promises. After using it in multiple applications for my vehicles, I’m convinced this is a must-have for anyone looking to maintain and enhance engine performance. The 4-pack is an excellent value and ensures I always have some on hand for routine maintenance.
Why Sea Foam Stands Out
Multi-Use Versatility: This product is a game-changer! I’ve used it as a fuel additive, an oil treatment, and even to clean out stubborn deposits in my carburetor. It works flawlessly across applications, making it an all-in-one solution for keeping engines running smoothly.
Improved Performance: After adding Sea Foam to my fuel tank, I noticed a significant improvement in my vehicle’s fuel efficiency and a smoother idle. It’s particularly effective at removing deposits and buildup that can reduce performance over time.
Easy to Use: The instructions are straightforward, whether you’re using it for fuel, oil, or cleaning purposes. The precise measuring cap ensures no mess or guesswork, making it simple to get the correct dosage every time.
Great for Long-Term Maintenance: Regular use of Sea Foam has made a noticeable difference in prolonging the life of my engine. I’ve also used it to revive an older lawnmower engine, which now runs like new! This product pays for itself by preventing costly repairs.
Packaging and Value
The 4-pack is perfect for multi-vehicle households or anyone maintaining more than just a car. I’ve used it in my truck, car, and small engines like my generator and lawn equipment, and I still have plenty left.
Pro Tips
Add Sea Foam to your fuel before a long drive to maximize its cleaning effect.
Use it regularly in oil changes to keep sludge buildup at bay.
It’s also great for seasonal storage—just add it to your gas tank to stabilize fuel and protect the engine.
Final Thoughts
Sea Foam SF-16 is the real deal for anyone who values vehicle performance and longevity. Its multi-use functionality, ease of application, and proven results make it a standout product. I’ve already seen noticeable improvements in my vehicles and equipment, and I’ll continue to use it as a staple in my maintenance routine. Highly recommend it to anyone who takes pride in keeping their engines in top shape!
Pro Tip: Whether you’re a DIY mechanic or just looking for a reliable maintenance product, Sea Foam is a must-have. It’s one of the simplest and most effective ways to protect your investment and extend the life of your engine. Don’t hesitate—this 4-pack is worth every penny!
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Reviewed in the United States on January 12, 2025