Heaters Cobalt Aqueon Pro 100 Adjustable Aquarium Heater 100watt $42.00 Add to cart Aqueon Pro 150 Adjustable Aquarium Heater 150watt $45.00 Add to cart Aqueon Pro 200 Adjustable Aquarium Heater 200watt $47.00 Add to cart Aqueon Pro 300 Adjustable Aquarium Heater 300watt $49.00 Add to cart Eheim Thermocontrol e100 Heater $56.00 Add to cart Thermocontrol e200 Heater $65.00 Add to cart Thermocontrol e300 Heater $65.00 Add to cart Thermocontrol e50 Heater $49.00 Add to cart Hydor Transworld