Dophin Submersible Aquarium Heater

Dophin Submersible Aquarium Heater

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In stock
$100.00 away from free WA delivery Free delivery over $100 in WA ($150 elsewhere in Australia).
Free pickup in KenwickOpen Tue to Sat, 12pm to 6pm
About this product

Reliable Warmth for a Thriving Aquarium

Keep your fish healthy and comfortable with the Dophin Aquarium Heater — a fully submersible heater designed for consistent, accurate temperature control in freshwater and marine tanks. Whether you're maintaining a delicate tropical community or a planted aquascape, stable water temperature is the foundation of a healthy ecosystem.

Key Features

  • Fully submersible design for safe, efficient heating
  • Adjustable thermostat for precise temperature control
  • Available in 50W, 100W, 200W, 300W, and 500W to suit tanks of all sizes
  • Built-in thermal protection to prevent overheating
  • Clear temperature indicator for easy monitoring

Recommended Tank Size

  • 50W — Up to ~50L
  • 100W — Up to ~100L
  • 200W — Up to ~200L
  • 300W — Up to ~300L
  • 500W — Up to ~500L

Care & Installation

Position the heater horizontally or at a slight angle near a water flow source (filter outlet or powerhead) for even heat distribution. Allow the heater to acclimatise in the water for 15 minutes before plugging in. Do not operate out of water.

Compatibility

Suitable for freshwater and saltwater aquariums. Compatible with most standard aquarium setups. Not recommended for use in tanks with aggressive fish that may damage the unit.

Delivery and returns

Free delivery over $100 in WA and $150 elsewhere in Australia. Free pickup from our Kenwick store, Tue to Sat, 12pm to 6pm.

Returns policy

  • 5 stars: 20 (83%)
  • 4 stars: 3 (13%)
  • 3 stars: 1 (4%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
H
Hayden Fraser
Quiet and reliable

Can barely hear it running and it's been rock solid. Exactly what I needed for my setup.

S
Samuel Bell
Works perfectly

Easy to set up and running quietly. Does exactly what it should and the build quality feels solid. Very happy with the purchase.

H
Harper Martin
Top notch

Quiet, efficient and sturdy. Exactly what my tank needed.

B
Brodie Mitchell
Solid unit

Well packaged and clearly a quality product. No complaints whatsoever.

D
Demi Green
Recommend

Quality build, quiet, reliable. Happy customer.

P
Paige Campbell
Quality kit

Feels premium and performs even better. Has run faultlessly so far.

L
Lily Stewart
Very happy

Good flow, quiet operation and clearly well built. Would buy again without hesitation.

D
Dion Webb
Works a treat

Easy to install and runs perfectly. Very happy.

C
Charlotte Cox
Reliable

Set and forget. Has been running perfectly with no issues at all.

I
Indi Bailey
Very pleased

Easy setup, quiet running and solid performance. Couldn't ask for more.

T
Travis Watson
Great addition

Improved circulation in my tank noticeably. Quiet and unobtrusive.

H
Hudson Coleman
Impressed

Flow is great and adjustable. Runs quietly even at higher settings.

H
Hayden Barrett
Great quality

Well made and reliable. Has been running flawlessly since I installed it.

B
Belinda Adams
Works well

Exactly what I expected. Reliable and well made.

E
Ella Cooper
Top product

Sturdy, effective and great value. My tank is running better since I added this.

E
Ethan Lee
Excellent

Premium feel and great performance. Installation was straightforward and it's been faultless.

H
Hannah Fraser
Easy install

Took minutes to set up and it's been working perfectly ever since. Recommend.

B
Bianca Wright
Solid choice

Quiet, reliable and well built. No issues at all.

I
Isla Thompson
Does the job

Solid bit of kit. Easy to install and works as described.

S
Shania Reid
Quality and value

Performs brilliantly for the price. Quiet and dependable.

D
Damien Morgan
Happy with it

Reliable, quiet and good value. Working great in my tank.

A
Amelia Watson
Brilliant

Whisper quiet and effective. Best one I've owned.

D
Damien Adams
Excellent build

Sturdy and well designed. Does its job perfectly without any fuss.

L
Leo Sharp
Great buy

Affordable and effective. Has been faultless since install.