AHJ 500 Watt Submersible Aquarium Heater With Digital External Controller For 75 To 120 Gallon Freshwater And Saltwater Fish Tanks
Why you'll like it
- Precise Environment Control — Integrated PID chip maintains water temperature within plus or minus 1 degree Fahrenheit for optimal aquatic health.
- Advanced Safety Features — Equipped with automatic dry-run shut-off and over-temperature protection to keep your aquarium safe and secure.
- Easy External Operation — Adjust settings conveniently with the external controller and monitor status via the digital display without wetting your hands.
- Rapid Consistent Heating — Powerful 500 watt output ensures quick and stable warming, ideal for large tanks between 75 and 120 gallons.
- Durable Construction — High quality thick quartz glass and heat-resistant protective housing ensure a long lifespan in both saltwater and freshwater environments.
Product details
Description
Maintain the perfect environment for your aquatic life with the AHJ 500 Watt Submersible Aquarium Heater, specifically designed for large tanks ranging from 75 to 120 gallons. This powerful unit ensures stable water temperatures essential for the health of freshwater and saltwater fish, turtles, and aquatic plants.
Featuring an advanced integrated design, the PID temperature chip and durable nickel-chromium heating elements work in tandem to provide accurate temperature control within a tolerance of plus or minus 1 degree Fahrenheit. The external controller allows for effortless temperature adjustments without the need to reach into the water, while the clear LCD digital display provides real-time monitoring of both the set and current temperatures.
Safety is prioritized with multiple built-in protections, including automatic shut-off to prevent dry burning, overheat warnings that flash an indicator when the water exceeds 94 degrees Fahrenheit, and a durable, thick quartz glass tube. Each unit undergoes a rigorous 72-hour submerged heating test to ensure reliable performance.
Housed in a high-temperature-resistant protective casing, this heater prevents damage to delicate plants and keeps curious fish safe from the heating element. Whether you are managing a complex saltwater reef or a thriving community freshwater aquarium, this professional-grade heater delivers the rapid, consistent heat required to keep your tank ecosystem stable and thriving.
How to use
- Ensure the aquarium heater is fully submerged in water before plugging it into a power outlet.
- Use the external controller to set your desired temperature within the 63 to 93 degrees Fahrenheit range.
- A red LED indicates the unit is actively heating, while a blue LED confirms the target temperature is being maintained.
- Regularly check the quartz tube and protective case to ensure they remain free of debris for optimal performance.
Ingredients
Quartz glass, Nickel-chromium heating wire, High-temperature resistant plastic polymer, Electronic LED controller circuit.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | AHJ |
|---|---|
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What size heater do I need for a 120 gallon aquarium?
For a 120 gallon tank, a 500 watt heater is generally recommended. This wattage provides sufficient power to heat large volumes of water efficiently, maintaining a stable temperature even in cooler ambient environments.
Are submersible aquarium heaters safe for saltwater tanks?
Yes, this AHJ heater is constructed with high-quality, corrosion-resistant materials suitable for both freshwater and saltwater aquarium environments.
What does the HH code on the digital display mean?
The HH code indicates an over-temperature warning. It will flash on the LCD display if the water temperature exceeds 94 degrees Fahrenheit to alert you to check your tank conditions.
Are these AHJ aquarium heaters authentic products?
Yes, all products sold by Dropy are 100 percent authentic USA-imported goods. We source our inventory directly to ensure you receive genuine, high-quality items for your home.
Can I adjust the temperature without putting my hands in the tank?
Yes, the included external controller allows you to adjust the temperature settings easily from outside the fish tank, keeping your hands dry and the setup convenient.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.