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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
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Description
AQQA 300W Aquarium Heater Fish Tank Heater Submersible Fish Heater Aquarium Thermostat Heater with External Digital Controller Temp Range 59-94℉ (300W for 30-80Gal)About This Quality Material: Made Durable Aquarium Heater: This fish tank heater rod is made of ceramics PTC material, features fast thermal conductivity and high heating efficiency. The shell of the heater and the controller are made of heat resistant ABS material. Premium material ensures safe heating and long service life Heater Protection System: Build in anti dry and over heating protection system, when the heater rapidly heats beyond the set
About This
- Quality Material: Made Durable Aquarium Heater: This fish tank heater rod is made of ceramics PTC material, features fast thermal conductivity and high heating efficiency. The shell of the heater and the controller are made of heat-resistant ABS material. Premium material ensures safe heating and long service life
- Heater Protection System: Build-in anti-dry and over-heating protection system, when the heater rapidly heats beyond the set temperature and reaches over 36℃ (96℉), the LED screen will show EE and keep flashing to remind; When the heater is not fully immerged into water, the LED screen displays Er and keeps flashing. Always provide a safe and comfortable living environment for your fishes
- Intelligent Heating & Energy-Saving: AQQA fish tank heater adopts automatic constant temperature heating, when the water temperature is lower than the set temperature, it will automatically warm up. When the water temperature reaches the set temperature, the heater will run at low power to maintain the water temperature within 0.5℉ difference from the set temperature; AQQA aquarium heater can reduce your electricity bill by 45% compared with traditional heaters
- Easy & Safe Operation: You can set the temp with an external controller; Long press the child lock button for 1-3s to enter the temp setting state, then press the temp cycle button, every press to adjust 0.5°F/°C, the available set temp range is 59°F-94°F (15°C-34°C); After stopping operating the controller for 3s, the fish tank heater will automatically enter the child lock state, which prevents children from accidentally touching
- Kindly Note: Please put the aquarium heater completely into water before plug in, and keep good water circulation in the tank; Please leave the heater cooled down in the water for 15-30 minutes after stop heating to prevent the residual temperature melting shell
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
4.2 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
True no-show socks that don’t slide down!
Size: Medium, Color: (100) White / White / Mod Gray, Size: Medium, Color: (100) White / White / Mod Gray
This is the first pair of no-show socks I’ve tried that actually don’t slide down into my shoes. Trust me… I have tried lots of different pairs and this is the one! They fit perfectly. They’re not too thick and they’re obviously durable because I wash them after each wear, so daily.
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Reviewed in the United States on March 21, 2026
★★★★★ 4
Great fit but expensive
Size: Medium, Color: (252) Blush Beige / White / Castlerock
These are really great socks. I love them, but they are definitely pricey.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Great socks!
Size: Medium, Color: (252) Blush Beige / White / Castlerock
Love these socks so much I got a second package. I like how thin and airy they are and they never slide down my heel. For thin socks they’re pretty durable.
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Reviewed in the United States on August 16, 2025
★★★★★ 5
Great
Size: Medium, Color: (001) Black / Black / Pitch Gray
The best pair of work / workout / casual socks I've bought in long time! They're no show on all my sneakers, incredibly comfortable and they never move.
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Reviewed in the United States on October 7, 2025
★★★★★ 5
Absolutely Essential for Any Athlete or Gym-Goer!
Size: Large, Color: (035) Steel / White / Black
I recently purchased the Under Armour Unisex-Adult Training Cotton No Show Socks 6 Pack, and I must say, they've become an indispensable part of my workout gear. Here's why these socks are a game-changer:
Comfort Above All: These socks are incredibly comfortable. Made from a blend of cotton and synthetic fibers, they provide just the right amount of cushioning without feeling bulky. Whether I'm running, lifting weights, or doing yoga, my feet feel supported yet free.
No Show, All Go: True to their name, these socks stay perfectly in place without slipping down into my shoes. This is crucial for maintaining a professional look at the gym or during sports activities. No more embarrassing sock peeks or having to constantly adjust them.
Durability: For the price, these socks hold up remarkably well. I've washed them multiple times, and they haven't lost their shape or elasticity. They've survived the rigors of both my workouts and laundry day.
Breathability: The material mix allows for excellent breathability. My feet stay dry and cool, reducing the chances of blisters or discomfort during long sessions.
Pack Value: Getting six pairs in one go is fantastic. It means I always have a fresh pair ready, which is perfect for someone like me who works out frequently.
Fit for All: These socks fit true to size and are designed to be unisex, making them a versatile choice for anyone looking to upgrade their sock game.
If you're in the market for socks that combine comfort, performance, and style, look no further. Under Armour has nailed it with these no-show socks. They've quickly become a staple in my wardrobe, and I find myself reaching for them over any other sock I own. Highly recommended for anyone serious about their fitness routine or just wanting reliable, high-quality socks.
5 out of 5 stars - These socks are a must-have!
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Reviewed in the United States on August 25, 2024