Heaters
Our Aquarium Heaters collection features reliable, easy-to-use heaters designed to maintain stable water temperatures for tropical fish and planted aquariums. A quality fish tank heater is essential for keeping your aquarium healthy, reducing stress, and supporting proper fish growth.
Whether you’re setting up a small nano tank or a larger aquarium, choosing the right aquarium heater ensures consistent conditions and long-term success.
🌿 Why Use an Aquarium Heater?
Stable Temperature: Keeps water at a consistent level for fish health
Supports Fish Growth: Promotes proper digestion and activity
Reduces Stress: Prevents sudden temperature fluctuations
Essential for Tropical Fish: Required for most community aquarium species
🧠 Choosing the Right Heater
As a general guide:
- 25W – Small tanks (10–25L)
- 50W – Small aquariums (20–50L)
- 100W – Medium tanks (50–100L)
- 200W – Larger aquariums (100–200L)
- 300W – Large tanks (200L+)
👉 Selecting the correct aquarium heater size helps maintain stable and reliable temperatures.
💡 Helpful Tip
Always use a thermometer to monitor water temperature and ensure your heater is functioning correctly. Place heaters in areas with good water flow for even heat distribution.
🚚 Shipping & Pickup
📦 Ships Australia-wide
📍 Local pickup available (Gold Coast)
🚗 Local delivery available
🌱 Perfect Pairings
Pair your heater with:
- Tropical fish
- Aquarium plants
- Filters and water conditioners
Carefully selected by Duthie Aquatics — reliable heating solutions for healthy, thriving aquariums.
FAQ
Shipping and Delivery
As soon as possible if you have purchased wet goods they will be
sent during the beginning of the week to prevent sitting in a
distribution centre over the weekend. Dry goods will be sent through out
the week
Do we sell live shrimp?
Unfortunately at the moment we are unable to post live fish.
However if you live in the Brisbane and Gold Coast area we are able to
deliver live fish and shrimp just send us an email or Facebook message
to find out what’s available and organise delivery
Do we ship to TAS,NT,WA & SA?
Due to bio security laws we are only able to ship dry goods to these states
How do I know if this product is what I need?
If you have any questions about a product don’t hesitate to
contact us and we will be more than happy to help you find the right product. We also have some videos on YouTube just search Duthie Aquatics
on YouTube
Payments
We accept card transactions and direct deposits with payment confirmation. Once payment has been received you will be supplied with a receipt and subsequently with shipping information.
Refunds
Due to the nature of the products being sold, refunds are subject to defective goods. Please contact us as soon as is convenient and we will do our best to accomodate you
Warranty
Warranty of products vary due to the nature of the producs we sell. We adhere to all returns and exchange policies and we will go above and beyond to provide you with great customer care