Reef Tank Heaters checked by reef math.
The heater plan needs enough wattage to hold temperature without creating a dangerous stuck-on failure.

Heaters
BRS 200W Titanium Aquarium Heater System WiFi
Bulk Reef Supply · $180

Heaters
BRS 300W Titanium Aquarium Heater System WiFi
Bulk Reef Supply · $195

Heaters
BRS 600W Titanium Aquarium Heater System WiFi
Bulk Reef Supply · $230

Heaters
Cobalt Neo-Therm 100W Submersible Heater
Cobalt Aquatics · $60

Heaters
Cobalt Neo-Therm 200W Submersible Heater
Cobalt Aquatics · $80

Heaters
Cobalt Neo-Therm 50W Submersible Heater
Cobalt Aquatics · $45

Heaters
Eheim Jager TruTemp 100W Aquarium Heater
Eheim · $33

Heaters
Eheim Jager TruTemp 200W Aquarium Heater
Eheim · $43

Heaters
Eheim Jager TruTemp 25W Aquarium Heater
Eheim · $25

Heaters
BRS 100W Titanium Aquarium Heater System WiFi
Bulk Reef Supply · $165

Heaters
BRS 1200W Titanium Aquarium Heater System WiFi
Bulk Reef Supply · $300

Heaters
BRS Titanium Heater Element 100W (no controller)
Bulk Reef Supply · $39

Heaters
BRS Titanium Heater Element 200W (no controller)
Bulk Reef Supply · $59

Heaters
BRS Titanium Heater Element 300W (no controller)
Bulk Reef Supply · $79

Heaters
BRS Titanium Heater Element 600W (no controller)
Bulk Reef Supply · $109

Heaters
Cobalt Neo-Therm 150W Submersible Heater
Cobalt Aquatics · $70

Heaters
Cobalt Neo-Therm 300W Submersible Heater
Cobalt Aquatics · $100

Heaters
Cobalt Neo-Therm 400W Submersible Heater
Cobalt Aquatics · $120

Heaters
Cobalt Neo-Therm 75W Submersible Heater
Cobalt Aquatics · $55

Heaters
Eheim Jager TruTemp 150W Aquarium Heater
Eheim · $37

Heaters
Eheim Jager TruTemp 300W Aquarium Heater
Eheim · $53

Heaters
Eheim Jager TruTemp 50W Aquarium Heater
Eheim · $28

Heaters
Eheim Jager TruTemp 75W Aquarium Heater
Eheim · $30

Heaters
Cobalt Neo-Therm 800W Submersible Heater
Cobalt Aquatics · $150