What size should an aquarium heater be? (Based on gallon capac…
https://aquanswers.com/what-size-aquarium-heater/
Take a look: For 5-gallon tanks: 25 Watts For 10-gallon tanks: 50 Watts For 20-gallon tanks: 100 Watts For 30-gallon tanks: 150 Watts For 40-gallon tanks: 200 Watts For 55-gallon tanks: 275 Watts For 75-gallon tanks: 375 Watts For 90-gallon tanks: 450 Watts
For 5-gallon tanks: 25 Watts
For 10-gallon tanks: 50 Watts
For 20-gallon tanks: 100 Watts
For 30-gallon tanks: 150 Watts
For 40-gallon tanks: 200 Watts
For 55-gallon tanks: 275 Watts
For 75-gallon tanks: 375 Watts
For 90-gallon tanks: 450 Watts
DA: 57 PA: 65 MOZ Rank: 78