What is considered "cool" water? - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 12-16-2006, 05:35 PM Thread Starter
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What is considered "cool" water?

Some plants like "cool" water, or so i've heard. HC and MermaidWeed come to mind. What is considered "cool" in this scenario? Will the "cool" water harm the fish?

Is 70 too cold? is 75 too warm?
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post #2 of 9 (permalink) Old 12-16-2006, 07:36 PM
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My coldwater tank is a consistant 65F in winter and these plants seem to be thriving: Italian val, corkscrew val, anubias 'nana', marimo balls, Xmas moss, riccia.
I suspect alot of plants probably like a seasonal drop in temp.

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post #3 of 9 (permalink) Old 12-16-2006, 07:39 PM Thread Starter
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Well I don't mean "cold" water, I mean cooler.. That's why i'm confused. I can't find a temp that describes "cooler water".

i'm trying to breed cherries and keep the mermaidweed happy at the same time. Pretty much the only reason i'm not keeping the tank at 80 degrees is because i like the MW so much. Right now the temp is about 74-75 and it feels cold to me because i'm used to 80 degree water. Everything's happy, though. As far as the fauna is concerned. Plants look the same
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post #4 of 9 (permalink) Old 12-16-2006, 07:56 PM
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Quote:
Originally Posted by justlikeapill View Post
Well I don't mean "cold" water, I mean cooler.. That's why i'm confused. I can't find a temp that describes "cooler water".

i'm trying to breed cherries and keep the mermaidweed happy at the same time. Pretty much the only reason i'm not keeping the tank at 80 degrees is because i like the MW so much. Right now the temp is about 74-75 and it feels cold to me because i'm used to 80 degree water. Everything's happy, though. As far as the fauna is concerned. Plants look the same
Then your fine, "cool" water is a personal thing, it varies person to person place to place. The difference from cool water in Finland and cool water in Singapore will be different

I would probably just ditch the coolwater plants and keep the temp high for RCS. or you could always get CRS which like cooler water at 72F!

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post #5 of 9 (permalink) Old 12-16-2006, 07:56 PM
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But my point is that even those species I mentioned, most of which are NOT cold water species, are still doing well in very cool water. You didn't mention what species you had in mind in your first post.

But it sounds like you answered your own question. If your flora and fauna are all doing well, then they must like the temps.

Or is your question whether or not the mermaid weed would do well at the 80F you would prefer for the tank?

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post #6 of 9 (permalink) Old 12-16-2006, 09:45 PM Thread Starter
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It's only been two days so they are fine for now lol. I wish I could afford crystals!

I have a bad feeling the MW would do poorly at best at 80 degrees. The HC is my baby... I don't want it to do poorly either.
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post #7 of 9 (permalink) Old 12-17-2006, 12:51 AM
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I visited a fishroom tonight that belongs to the vice president of the local aquarium club. 150 tanks, HUGE live food cultures, several hundred species, and he's a master breeder. His fish room was about 72F, heaters in only a few of the more picky fish's tanks.

I visited another member's fish room earlier last week and he had HUNDREDS of cherry shrimp in a tank that was kept at 70F.

Hopefully that's helpful


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post #8 of 9 (permalink) Old 12-17-2006, 02:15 AM Thread Starter
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Very helpful. I won't worry anymore

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post #9 of 9 (permalink) Old 12-17-2006, 02:24 AM
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In cooler water they grow slower, and he feeds them less as a result. It is easier to overfeed at lower temps, keep that in mind so you don't pollute your water .


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