Reef Aquarium Water Heater

Discover our selection of water heaters and thermostats for reef aquariums. Precisely maintain the ideal temperature (24-26°C / 75-79°F) for the health and well-being of your corals, fish, and marine invertebrates.

Types of Water Heaters

• Submersible water heaters - Installation in the aquarium or sump
• Titanium water heater - Saltwater resistant, long-lasting
• Glass water heater - Economical and reliable
• External water heaters - Installation outside the aquarium
• Temperature controllers - Precise and safe regulation

Recommended Power

• Nano reefs (10-30 gallons) - 50-100 watts
• Small reef tanks (30-60 gallons) - 100-150 watts
• Medium-sized reefs (60-100 gallons) - 150-250 watts
• Large reef tanks (100-200 gallons) - 250-400 watts
• Very large reefs (200+ gallons) - 400+ watts or multiples thereof

Important Features

• Precise thermostat - Regulation to ±0.5°C
• Overheating protection - Automatic safety shut-off
• Saltwater resistant - Corrosion resistant materials
• LED indicator - Displays operation
• Sturdy suction cup - Secure attachment
• Warranty - Protection against defects

Available Brands

• Eheim - High-quality German water heaters
• Aqueon - Reliable and economical
• Cobalt Aquatics - Neotherm Technology
• Finnex - Titanium Water Heater
• Hydor - External inline heaters

Usage Tips

General rule: 3-5 watts per gallon. For a 75-gallon aquarium, use a 250-300 watt heater. Install in an area with good water circulation. Use a separate temperature controller for maximum safety. Check the temperature daily with an accurate thermometer.

Secure delivery throughout Canada. Free delivery available depending on the order amount.