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Discussion Starter #1
Hello,
So I am still in the process of setting up my 10g tank. Plants are thriving, just put cherry shrimp in yesterday. But i am still having problems working out my temp swings.

My house goes from about 65F during the day to 50F at night and it doesnt seem like my tank heater is keeping up. During the day water temp will hover around 75F but at night drops to ~70F. I know those temp swings are not good. I was using a second hand 50W heater, so I bought a brand new 50W heater and it is still having the same issue. Should I return the heater and get a 100W? Would that help, or will it end up having the same issue? I am going to be stocking Galaxy Rasbora and Pygmy Cories. Will they be okay with the temp swings?

Thanks!
 

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Hello,
So I am still in the process of setting up my 10g tank. Plants are thriving, just put cherry shrimp in yesterday. But i am still having problems working out my temp swings.

My house goes from about 65F during the day to 50F at night and it doesnt seem like my tank heater is keeping up. During the day water temp will hover around 75F but at night drops to ~70F. I know those temp swings are not good. I was using a second hand 50W heater, so I bought a brand new 50W heater and it is still having the same issue. Should I return the heater and get a 100W? Would that help, or will it end up having the same issue? I am going to be stocking Galaxy Rasbora and Pygmy Cories. Will they be okay with the temp swings?

Thanks!
personally I don't think 5 degrees warrants worry. However if you would rather see it more stable you should try both 50w heater at different sides of the tank before buying a 100w. you may achieve more stability that way.
 

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Agree that 5° temp swing is not a worry, but I WOULD double the heaters if your house goes down to 50° at night. I use a wood stove to heat my house and some rooms stay quite cold so I have double the reccommended wattage for all my tanks' heaters just to be safe.
 

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they'll be fine just watch it for a day. personally I like having two heaters when you need a heater. I keep 2 in my 55g. Without a heater many of my tanks drop down to low 60s so I need them. even in the summer months though when the dial is set properly on both the temp will not rise above where you set it really. Even with 2.
 

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Discussion Starter #6
so just to be clear, using both heaters at once will help keep my 10g tank from having temp swings when it gets colder?
 

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Discussion Starter #8
im having a little difficulty setting the two heaters properly.

any tips on getting them running together properly?

one only has three temp settings, the other is quite adjustable.
 

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Honestly I think youre best setting them both kinda low letting the tank sit for a couple hrs then adjusting based on what your thermometer says.
 
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