Strong, Steady Heat for Big Tanks
Couldn't load pickup availability
Keep your large aquarium or pond warm and comfy with reliable 1000W power.
This submersible heater brings steady warmth to large aquariums and pond tanks up to 500 gallons. It helps your fish stay calm, cozy, and active by keeping temperature changes under control. With simple controls and a tough, waterproof build, it fits right into freshwater or saltwater setups.
Warm water. Happy fish. Easy care.
✔ Great for large aquariums and ponds
✔ Simple adjustable thermostat
✔ Durable build for long-term use
✔ Safe overheat protection
✔ Works in fresh or salt water
Place the heater where water flows well so the warmth spreads evenly. Check the temperature display often to make sure it matches your tank’s needs.
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 tank size is this heater best for?
It works well for large aquariums or ponds in the 300–500 gallon range.
Is it safe for freshwater and saltwater?
Yes, it’s made with corrosion-resistant materials that are safe for both types.
Does it have built‑in protection?
Yes, it includes overheat protection to help keep your tank safe.
The heater keeps the water at a steady temperature so your fish stay calm and active.
Its strong 1000W power makes it perfect for larger aquariums and pond tanks.
Fish enjoy stable water conditions, which supports their comfort and long-term health.
The adjustable thermostat lets you set the warmth to match your fish tank needs.
The waterproof and corrosion-resistant design gives you lasting peace of mind.
Stronger design and smoother control for better aquarium care
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Adjustable thermostat | ||
| 1000W heating for large tanks | ||
| Overheat protection | ||
| Corrosion-resistant build | ||
| Freshwater and saltwater use | ||
| Stable temperature range | ||
| Submersible waterproof design | ||
| Good for 300–500 gallon tanks | ||
| Easy placement for even heat |
Yes, as long as the pond fits the recommended volume and the heater stays fully submerged.
Use the built-in adjustable thermostat to choose a range between 20°C and 34°C.
Yes, it’s designed to run continuously and adjust as needed to maintain stable warmth.
No, it comes with its own temperature control system.
Place it in an area with steady water movement so warmth circulates evenly.
No, submersible heaters operate quietly under the water.
You can use it in any large tank within the size range that needs steady heat.
Yes, it can help keep water warm in larger aquaponics systems that match the size requirements.
Wipe off buildup when needed and check the temperature display regularly to keep things running smoothly.
