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YOFOTHS Adjustable Mini Aquarium Heater, 20W for Tanks 2-4 Gallons

✅ In stock
F
Grade
💤 Not a Deal
22.27/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$17.09
Listed $18.99
Save $1.90 10% OFF
Analysis Confidence 100%
Check Deal at Amazon
Price verified Aug 24, 2026 11:34 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal
  • 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
  • 💰The price is modestly below what this product ordinarily sells for.
  • 🏷️The listed retail price is trimmed by 10% at checkout.
  • 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 5.36/28
Recent Value 0.26/22
Market Standing 12.65/20
Deal Strength 0/20
Momentum 4/10

📝 Product Overview

🏪 Sold by YOFOTHS
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

Small And Powerful: This mini aquarium heater is about 2.36inch long, and is super small. It is specially designed for small fish tanks and does not occupy any space. Upgrade the chip to make the temperature sensing more sensitive and the temperature rise more accurate
Intelligent Memory Function: After setting the target temperature, the power is suddenly turned off, and the target temperature remains unchanged after turning on the power again
Overheating Protection: If the water temperature exceeds 95°F, the error code "HI" appears, the heater stops working, and when it returns to below 95°F, the error code disappears and it starts working again
External Controller: External temperature controller, no need to get your hands wet, no need to buy other controllers, 52 inch long power cord, easy to install, easy to control
Widely Used: Suitable for freshwater and saltwater, meet the growth temperature for turtle, Fighting fish, Dwarf Gourami, Koi, Corridors, Paradise Fish, Clownfish, swordtail

⚙️ Specifications

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$11.60
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$17.09
$17.99
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≤ 1 gallon
≤ 3 gallon
≤ 10 gallon
≤ 40 gallon
≤ 60 gallon
64-93F
USB
AC
AC
Item Weight
5 ounces
F
$17.09
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