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collecting rainwater
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jsuereth
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Joined: 22 Aug 2010
Location: Pittsburgh, PA USA

PostPosted: 2011.01.18(Tue)10:43    Post subject: collecting rainwater Reply with quote

If I build a rainwater collector, is there a way I can determine if it's safe for fish without testing on a fish? I'm in the Pittsburgh area and I'm not sure what the pollution levels are anymore.
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unissuh
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Joined: 29 Mar 2005
Location: Melbourne, Australia

PostPosted: 2011.01.18(Tue)17:00    Post subject: Reply with quote

Only alternative I can think of is to try it on a lower order creature e.g. if you have a shrimp colony going they are better indicators of water quality than fish. Unfortunately I can't think of anything else to test pollution. The other option, although more expensive, is to put the water through some chemical filtration (e.g. carbon) before use.
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jsuereth
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Joined: 22 Aug 2010
Location: Pittsburgh, PA USA

PostPosted: 2011.01.19(Wed)18:46    Post subject: Reply with quote

Would mystery snails work? I seem to have more of them then I wanted (read: 0). It somehow seems less cruel, but perhaps just because I don't like snails.

I do have a shrimp colony, so I could spare one... but I'd rather use a snail if I have to.

Can I learn anything from pH (without harming anything deliberately)? I.e. if it's very acidic is it more likely to be polluted?
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unissuh
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Joined: 29 Mar 2005
Location: Melbourne, Australia

PostPosted: 2011.01.21(Fri)6:23    Post subject: Reply with quote

Mm, not sure to be honest - mystery snails are pretty tough critters. To be honest even shrimp are not a perfect measure, I had a problem with tap water recently and no RCS were affected at all, just the fish. It's a starting point.

I don't think you'll be able to conclude anything from a pH test. I am of the opinion that this is possibly the most useless test kit commonly available as any result can be interpreted multiple ways...
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