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Marineland Precision Aquarium Heater, 250 Watt $8.34, 400 watt $14.71 chewy.com amazon.com
$8.34
$36.99
Marineland Precision Heater, 250 Watt
Chewy.com $8.34 (free shipping over $49)
https://www.chewy.com/marineland-...Marineland OOS
Marineland Precision Heater, 400 Watt
Chewy.com $14.71 (free shipping over $49)
https://www.chewy.com/marineland-...Marineland OOS
Marineland Precision Heater, 400 Watt
Amazon.com $14.71 (free prime shipping)
https://www.amazon.com/MarineLand...06
Chewy.com $8.34 (free shipping over $49)
https://www.chewy.com/marineland-...Marineland OOS
Marineland Precision Heater, 400 Watt
Chewy.com $14.71 (free shipping over $49)
https://www.chewy.com/marineland-...Marineland OOS
Marineland Precision Heater, 400 Watt
Amazon.com $14.71 (free prime shipping)
https://www.amazon.com/MarineLand...06
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The 180 gallon begs to differ.
Yeah my eheims are 300 and rated up to 260 gallon crazy these 400 are only 120gallon
It's just a general rule of thumb per manufacturer as different ambient temperature will affect wattage needed. Watts are watts when it comes to heaters. More about quality than anything else, which is why I passed on this deal personally.
The reviews are main reason I passed, waiting for a good deal on titanium heater
After having a heater malfunction and cook all my fish, I learned to always buy two heaters at half the size you need. I'd never buy one heater like this.
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Get a heater controller on those 2 heaters, then you have real reliability.