Safe Bio Zone / Aquarium Heaters

Aquarium Heater
& Controller

Explore the black-and-red heater shown in our product photographs. Check the specific model’s information before choosing for your aquarium.

CategoryAquarium heater
Product shownHeater with controller
Available wattages100W, 300W and 500W — confirm your selected model
CompatibilityConfirm tank size and installation requirements
Explore the current listing

Confirm wattage, dimensions, operating range, price and availability before ordering.

View product & purchase options

Browse the online catalog

A closer look at your setup.

Before choosing

Review your tank size, its inhabitants, and the model specifications. Confirm compatibility using the current product information.

Installation & operation

Follow the manufacturer’s instructions for positioning, water level, setup, and operation. Contact our team if you need help finding the product instructions.

Ask a product question
Buying guide

Choose for your aquarium.

Choosing a fish tank heater starts with tank volume and the difference between room and target water temperature. Use our aquarium heater size guide to compare wattage, placement and the exact model’s requirements before ordering.

Read our aquarium heater size guide

Comparing controller models? Use our aquarium heater with controller buying checklist to check the manual, electrical label and supplied components.

Product information.

What size aquarium heater do I need?

Record your aquarium volume, coolest room temperature and target water temperature, then compare those requirements with the manufacturer’s model rating. Our aquarium heater sizing checklist explains which details to check.

How do I compare aquarium heater wattage?

Wattage is a power rating, while the thermostat setting is a temperature. Check both on the exact model, together with its rated tank range and electrical requirements. See our aquarium heater wattage explanation before choosing.

Where can I check specifications?

Use the current product listing to confirm the exact model’s wattage, dimensions and operating requirements.

Where can I find price and availability?

Follow the purchase-options link above to the current listing.

Can I view a product catalog?

Browse our online catalog for real product photographs and links to product information.

Compare temperature readings.

If a display and thermometer disagree, use our aquarium heater temperature observation checklist to collect model details and useful questions for product support.