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Are most city tap waters very very high pH; 8.0?
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myhamster
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Joined: 19 Dec 2006

PostPosted: 2007.01.26(Fri)17:04    Post subject: Are most city tap waters very very high pH; 8.0? Reply with quote

Hi,
I've tested my tap water and aquarium water, and it seems that the pH is 8.0. That seems really really high.

I have a blue gourami, sunset gourami, 1 female betta, white clouds, and red cherry and amano shrimp. I think the fish I have don't care too much about the pH, but how does high pH affect the shrimps?

Do other people who use city tap water have very high pH?

Thanks!
Eric
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Minsc
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Joined: 03 Jan 2006
Location: Framingham, Mass

PostPosted: 2007.01.26(Fri)20:00    Post subject: Reply with quote

A lot of the country has hard/high pH water. Some places the pH out of the tap has been messed with to make it super high. It's best to let tap water sit out for a couple days before measuring the pH to avoid getting a false reading.
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Angry Andy
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Joined: 26 Sep 2006
Location: St. John's, NL, Canada

PostPosted: 2007.01.26(Fri)22:02    Post subject: Re: Are most city tap waters very very high pH; 8.0? Reply with quote

myhamster wrote:
Do other people who use city tap water have very high pH?

Your question could be answered if people participated in this thread:
http://www.aquahobby.com/board/viewtopic.php?t=39647

And why that thread isn't stickied, I'll never know.
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sepgundamrg
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Joined: 18 Dec 2006
Location: Arkansas

PostPosted: 2007.01.26(Fri)22:27    Post subject: Reply with quote

My tap water is 6.4
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DF Bobo
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Joined: 23 Jan 2006
Location: Canada

PostPosted: 2007.01.27(Sat)6:21    Post subject: Reply with quote

seems that a lot of cities are like that. mines 8.2. any idea why the would mess with the pH? it's more difficult for bacteria to prosper at a lower pH than a high one.
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Bob
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Joined: 16 Jun 2006
Location: UK

PostPosted: 2007.01.27(Sat)6:46    Post subject: Reply with quote

pH 8 isn't too bad, but it depends on lots of factors.

Lots of people say things like "I have a bad pH". In truth unless you are talking about battery acid etc, this isn't true, you may have unsuitable fish, but pH is pH, it isn't good or bad.

Most fish are now captive bred, they can cope with much larger variations of pH/hardness, what they don't like is wild swings in pH. It is important to keep pH stable rather than changing it all the time with shop bought chemicals. If you have to lower pH, try and do it with Peat, bogwood etc. If you want to breed Discus, consider an RO filter, but whatever you do, do any changes slowly.

Check with your fish supplier, chances are they have a the same pH, if not always give the fish a chance to adapt to the new conditions they find themselves moving to.

WHat makes you think your fish don't like your pH?

Bob
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Minsc
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Joined: 03 Jan 2006
Location: Framingham, Mass

PostPosted: 2007.01.27(Sat)10:41    Post subject: Reply with quote

DF Bobo wrote:
seems that a lot of cities are like that. mines 8.2. any idea why the would mess with the pH? it's more difficult for bacteria to prosper at a lower pH than a high one.


High pH keeps copper and lead from leaching from the pipes into the water.
Chlorine/Chloromine kills bacteria very effectively. The concern is over human health, not the fish they keep Wink
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number6
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Joined: 07 Feb 2003
Location: Ontario, Canada

PostPosted: 2007.01.29(Mon)8:34    Post subject: Re: Are most city tap waters very very high pH; 8.0? Reply with quote

Angry Andy wrote:
Your question could be answered if people participated in this thread:
http://www.aquahobby.com/board/viewtopic.php?t=39647

And why that thread isn't stickied, I'll never know.

I never saw that thread... it's a great idea.

Sticky made... topic made more descriptive. Hopefully that gets folks adding to it.

I'll have to go run some measurements and see in our new house here...
thanks.
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