Your net volume will approximately be 350 gallon. To heat up that volume of water from 69°F to 78°F, you will need around around 760W of heat for an hour. With the ambient below so low, your heater will have to work overtime and will probably remain on for most part of the day. I always prefer to use a bit of an underpowered heater to decrease the chance of overheating but you can take Mindy's suggestion and get x3 250W heater. Or if you are feeling to add more redundancy, you can go x5 150W and have them connected to Ranco and you are golden. Ranco have hysteresis built within so the heater won't keep on turning on and off for 0.1°F change and it is an industrial grade temperature controller and pretty much bulletproof. Ehime Jager is the way to go for heaters
04-15-2016, 05:09 AM
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