fishkeeper 500W Submersible Aquarium Heater – Ultra-Safe Digital Fish Tank Heater for 53-130 Gallon, Leaving Water Auto Power-Off, PID Intelligent Fast Heating, 59°F-93°F Accurate Temperature Control
- Regular Price
- $81.12
- Sale Price
- $81.12
- Regular Price
- Unit Price
- per
About This
- ✦【Powerful & Precise Heating for Large Tanks】This 500W adjustable aquarium water heater is professionally designed for 53 - 130 gallon fish tanks, ensuring fast and even heating. The 9.3" heating element ensures optimal heat distribution throughout your aquarium; with a wide temperature range (59°F–93°F) and ±1°F accuracy, keeps your aquatic pets comfortable year-round.
- ✦【Never Explode & Ultra-Safe Design】Unlike fragile glass heaters, our submersible fish tank heater design with stainless steel heating core ✚ 6 quartz tubes, provides double explosion-proof protection. Built to last, it resists cracks and corrosion, making it safer for saltwater & freshwater tanks.
- ✦【Smart PID Chip – Saves Energy & Heats Faster】The intelligent PID system adjusts power automatically—full power for quick heating, then reduces energy to maintain temperature. Saves 40% more electricity than traditional heaters while keeping temperatures stable.
- ✦【Six Safety Protections for Peace of Mind】✅ Automatic power-off when leaving water; ✅Overheat protection; ✅ Low-temp protection prevents sudden drops; ✅ Power-off memory (remembers your last setting); ✅Double explosion-proof & Anti-scalding hell design; ✅ UL-certified safety for worry-free use.
- ✦【Easy-to-Use Digital Display & External Control】 The bright LED screen shows real-time and set temperatures. Adjust settings easily with the external controller—no wet hands needed! Switch between ℉/℃ with one button.
How long will it take to ship my order?
Your order will be shipped within 3-8 business days.
How much does it cost?
We offer free trackable shipping on select items.
Shipping rates for partner brand items and international orders may vary and will be calculated at checkout.
Where is my order shipped from?
Big Frenchies apparel is shipped in plastic-free packaging directly from our Virginia facility. Items from our partner brands may have different packaging and can be shipped from any of their fulfillment locations worldwide.
How long does shipping take?
USA: 3-8 business days
CA, AUS, UK, and Europe: 5-21 business days
Rest of world: 5-25 business days
As a small family-owned business, we thrive on your feedback, so it's vitally important for us to make sure you're happy with your purchase.
Our return policy is simple: You have 30 days from delivery to request a return or exchange for most products shipped within the United States.
Customers are responsible for return shipping costs unless the return is due to a defective product. Learn more about our full return policy.
Please note:
- Returns are only available for US orders. International orders are final sale.
- For health and safety reasons, personal care items (like baby creams, shampoos, balms, sunscreens, and lotions) and food products cannot be returned once opened.
- Custom and handmade items are final sale and cannot be returned or exchanged, as they are crafted specifically to order.
- A restocking fee may apply to certain eligible returns. If applicable, this will be communicated upon return authorization.
You can reach out to our customer support team by submitting your request via the "Contact Us" form or by emailing us at support@bigfrenchies.com. A member of our support staff will respond to you as soon as possible.
We'd love to hear from you!
The best way to reach us is via email: support@bigfrenchies.com.
Have questions about sustainability, shipping, return, exchange or something similar?
Check our FAQ page.







