HELP! Water is way too hot!

[Polyptasaurus]

I have a 75 gallon tank with an Eheim 2217 and a 300 watt heater. I have the dial on the heater all the way to 68 and the water is 90 degrees! Do you think that the heater is broken or I need a weaker heater.

MAIN Question: What is the best wattage for a heater for my tank??

 

[Mavrick813]

Your 300 W is broken. Ice your tank down a bit to 82-83.

Mike

 

[ElectricBlueSeanBurch]

Is it a marineland heater?

 

[plecostic]

I use a 300W Hydor inline external heater on my 75 gallon. It connects to the canister hose and is much better than a regular heater.

 

[kevinfleming21]

unplug the heater lol

 

[FormulatedFire]

Take the heater out and remove the lids to let the tank cool off.

I have a 75 and run 2 250w jäger heaters in my overflow. It's a bit overkill but I like the redundancy.


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[smitty03281964]

The heater is broken. It does not matter how powerful a heater is it should only cycle on and off at the temp it is set too.

 

[Mavrick813]

The heater is broken. It does not matter how powerful a heater is it should only cycle on and off at the temp it is set too.

I'm with him.

 

[AQUAMONSTER]

I just got a jager heater after mine broke. Hate heaters

 

[dizcus]

your kidding me right?