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  #1  
Old 09/07/2007, 10:00 AM
Beemo Beemo is offline
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Join Date: Feb 2006
Location: PA
Posts: 899
copper in tap water report

my cities tap water report says that 0.174 ppm of copper is in my water supply.
should i be concerned about this? it seems fairly low


i have no corals, but i do have crabs, shrimp and fish
  #2  
Old 09/07/2007, 11:52 AM
BeanAnimal BeanAnimal is offline
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Join Date: Feb 2003
Location: Pittsburgh
Posts: 11,710
You should be using RO/DI water.

I think up to 1.3 ppm is allowable in drinking water. AZDesertRat or another water treatment guy could confirm.
  #3  
Old 09/07/2007, 10:04 PM
bluetmax bluetmax is offline
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Join Date: Jun 2005
Location: Mississippi
Posts: 230
We had a well installed several years ago and at the time I did not have an RO unit, and was still relatively new to the hobby. I started noticing ALL of my inverts start to very very slowly deteriorate, and NOTHING would check out. I was under the wrong assumption that the well water was probably the best I could get compared to being on the public water system. I finally tested the water out of the tap, and bingo, copper. It was a very very minute amount, but over time with top offs, and water changes it gradually accumulated in the water. I wouldn't risk it personally.
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