Steady, Reliable Heat for Big Aquariums
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Keep your large tank or pond warm and cozy with strong, steady heating.
This 1000W Submersible Aquarium Heater gives your big aquarium or pond the steady warmth it needs. It’s simple to set up, safe to use, and brings a calm, stable home to your fish. Great for tanks from 600 to 750 gallons.
Warm water. Happy fish.
✔ Keeps water at a steady temperature
✔ Easy-to-adjust thermostat
✔ Built tough for long-term use
✔ Works well in big aquariums or pond tanks
✔ Helps fish stay comfortable year-round
Place the heater where water moves well so heat spreads evenly. Check the temperature display from time to time. Use one or more heaters based on your tank size and layout.
We offer reliable tracked shipping delivered to your door in 200+ countries.
Processing time: up to 2 business days (may be longer during peak periods).
Estimated delivery times (after dispatch)
We ship from fulfillment centers in the United States, Eastern Asia, and Western Europe. If an item is out of stock in your nearest location, we’ll ship it from another location or production within the same delivery ranges above.
What size tank is this heater good for?
It works best in aquariums or ponds between 600 and 750 gallons.
Can I adjust the temperature?
Yes. The thermostat can be set from 20°C to 34°C to match your setup.
Is it safe to place the heater underwater?
Yes. The heater is designed to be fully submersible and waterproof.
The 1000W power helps warm large tanks quickly and keeps temperatures stable.
The adjustable thermostat makes it easy to set the perfect range for your fish.
Built-in safety features help protect your tank from temperature spikes.
Corrosion-resistant materials help this heater last in busy tanks and pond systems.
Use one or more heaters to warm extra-large aquariums, pond tanks, or aquaponics systems.
More stability and strength for large aquariums
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Submersible waterproof design | ||
| 1000W heating power | ||
| Adjustable thermostat 20°C–34°C | ||
| Works in aquariums and ponds | ||
| Supports multiple heater setups | ||
| Corrosion-resistant build | ||
| Overheat protection | ||
| Stable long-term performance | ||
| Great for tanks 600–750 gallons |
Place it fully underwater in an area with good water flow, then plug it in and set your temperature.
Yes. Using multiple heaters can help warm very large aquariums or uneven spaces.
Yes. It works well in large indoor ponds or pond-style systems where steady heat is needed.
The 1000W power and built-in thermostat help maintain a consistent range for your fish.
No. The heater runs quietly inside the water.
A quick check every few days is usually enough to make sure everything stays on track.
Yes. Stable, gentle heat helps create a comfortable environment for most aquatic species.
Yes. It can help keep water warm for both fish and plants in larger aquaponics setups.
It runs on 220–240V at 50Hz as listed in the technical specs.
