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Adjustable Mini Aquarium Heater, 20W for Tanks 2-4 Gallons
✅ In stock
F
Grade
Analysis Confidence
100%
Price verified Nov 13, 2026 4:24 AM · 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 current price is slightly above the going rate for this product — worth watching for a drop.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 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
