Wonderfactory 75W Small Aquarium Heater, 5 Temperature Modes for 5-15 Gallon Betta Fish Tank Heater, 78°F Mini Submersible 5 Buttons Temperature Constant Easily Setting, Freshwater & Saltwater Tanks

Price: $25.99 - $19.99
(as of Oct 12, 2025 12:12:57 UTC – Details)

From the brand

With our All-in-one series available in a range of sizes, customers can effortlessly experience the joy of fishkeeping. Our mission is to make it easier and more enjoyable for beginners to dive into the world of aquarium.

At Wonder Factory, everything we do is driven by our commitment to creating the best experience for our customers.

S1 Smart Fish Tank

3 Gallon Aquarium Starter Kit

The Wonderfactory 3-gallon aquarium starter kit is one of the most comprehensive all-in-one sets available.

3 Gallon Betta Fish Tank

The wonderfactory 3gallon betta fish tank is the world’s smallest bottom filtration system fish tank.

Wonder Factory Series

Product Dimensions ‏ : ‎ 0.8 x 0.6 x 4.5 inches; 5.29 ounces
Item model number ‏ : ‎ JRC-01
Date First Available ‏ : ‎ June 3, 2024
Manufacturer ‏ : ‎ Wonderfactory
ASIN ‏ : ‎ B0D1R85H2Z
Best Sellers Rank: #43,927 in Pet Supplies (See Top 100 in Pet Supplies) #114 in Aquarium Heaters
Customer Reviews: 4.3 4.3 out of 5 stars 45 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

🔧 5 ADJUSTABLE TEMPERATURE SETTINGS (72℉–94℉) – Customize the ideal water temperature for your betta or tropical fish tank. Easy-to-use button control with five settings: 78℉, 82℉, 86℉, 90℉, and 94℉—more flexible than standard preset aquarium heaters.
🔌 82.6″ EXTRA-LONG POWER CORD FOR EASY PLACEMEN – Say goodbye to outlet struggles. The extended 82.6-inch cable provides greater flexibility for positioning in 5 to 15-gallon fish tanks—even in complex or hard-to-reach setups.
🔥 DURABLE NICKEL-CHROMIUM HEATING ELEMENT – Heats quickly and evenly for efficient performance. Designed to outlast typical aquarium heaters—perfect for everyday use or as a reliable backup.
🐠 EXPLOSION-PROOF & LEAK-PROOF CONSTRUCTION – Fully submersible design with sealed, anti-crack housing to help prevent electric shock, leaks, or damage. Safe and worry-free for small aquarium owners.
⚠️ IMPORTANT SAFETY REMINDER – Do not bury the heater in sand or substrate. Keep at least 2 inches of clearance from the water surface. Always ensure the heater is fully submerged before plugging it in. Unplug the heater and let it cool for 10–20 minutes before removing it from the tank for cleaning or water changes.
💕 RELIABLE AFTER-SALES TEAM – Worry-free purchase with full support throughout your fishkeeping journey. Fast resolution for shipping damage, setup issues, or part failures within 48 hours.