fishkeeper
fishkeeper 800W Submersible Aquarium Heater – Ultra-Safe Digital Fish Tank Heater for 80-230 Gallon, Leaving Water Auto Power-Off, PID Intelligent Fast Heating, 59°F-93°F Accurate Temperature Control
fishkeeper 800W Submersible Aquarium Heater – Ultra-Safe Digital Fish Tank Heater for 80-230 Gallon, Leaving Water Auto Power-Off, PID Intelligent Fast Heating, 59°F-93°F Accurate Temperature Control
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About This
- ✦【Powerful & Precise Heating for Large Tanks】This 800W adjustable aquarium water heater is professionally designed for 80 - 230 gallon fish tanks, ensuring fast and even heating. The 10.8" 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.
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Petzio – Your Pet’s Favorite Place
From fun toys and cozy beds to grooming essentials, travel gear, and healthy treats, Petzio has everything your furry (or feathered) friends need to live their happiest lives.
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Frequently Asked Questions

How long does shipping take?
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.