is it okay to fill up aquarium with hot tap water? - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 02-16-2012, 12:07 AM Thread Starter
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is it okay to fill up aquarium with hot tap water?

im not sure but i heard something like hot tap water contains more chemicals
so its a bad idea to fill up aquarium using warm or hot water
i heard that about 10 yrs ago

what do u think?


its cold, so if i fill up with cold tap water , my painted background get bad
so is it okay to fill up tanks using warm water?

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post #2 of 7 (permalink) Old 02-16-2012, 12:32 AM
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Joon - In some homes only the hot water goes through the water softener and that can add salts to the water.

In my house ALL the water goes through. I use it mixed, I don't believe it's a problem for my tanks.
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post #3 of 7 (permalink) Old 02-16-2012, 12:39 AM
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If the hot water tank has a bunch of sediment in it, that could be a problem. Having said that, I use water that is as close to the water temperature in the tank when I refill.

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post #4 of 7 (permalink) Old 02-16-2012, 01:19 AM
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I use a combination of hot and cold to get 78 degree water. Been doing it for several years.

Standard 10 Gallon (20 x12x12).
Low tech, Sand substrate.
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post #5 of 7 (permalink) Old 02-16-2012, 01:46 AM
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just be carefull with extreem temp changes with the glass. hot water and cold glass could cause a temp shock causing the glass to break
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post #6 of 7 (permalink) Old 02-16-2012, 01:51 AM
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Quote:
Originally Posted by jreich View Post
just be carefull with extreem temp changes with the glass. hot water and cold glass could cause a temp shock causing the glass to break
This would be my fear. Other than that, might be a little extra calcium in the hot water if your tank is old and crappy like mine...no big deal.
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post #7 of 7 (permalink) Old 02-16-2012, 11:46 AM
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i never thought about the the stuff that settels in the bottom of the hot water tank..is it k just to fill the tank up with cold water??????
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