What to do with used Fixer!

Discussion in 'The Darkroom' started by ckim32, Jul 16, 2007.

  1. ckim32

    ckim32 TPF Noob!

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    I started processing film at home and having been storing the chemicals in a plastic bottle in the meantime since it's terrible to pour it down the drain. I live in NY and was wondering if anyone had any suggestion how I can get rid of this stuff. Thanks!
     
  2. JC1220

    JC1220 TPF Noob!

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  3. ksmattfish

    ksmattfish Now 100% DC - not as cool as I once was, but still

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    If you have a local full service lab they may be willing to pour it through their filters.
     
  4. Jeff Canes

    Jeff Canes No longer a newbie, moving up!

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    I bet most people pour it down the drain
     
  5. JC1220

    JC1220 TPF Noob!

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    Although my views are pretty open on this, if you are going to do that at least put some steel wool in it for 24 hours, then dump.
     
  6. nealjpage

    nealjpage multi format master in a film geek package

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    What does that do?
     
  7. ann

    ann No longer a newbie, moving up!

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    the silver in the fixer adhers itself to the steel wool
     
  8. Aquarium Dreams

    Aquarium Dreams TPF Noob!

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    How much steel wool do you need to put in it?
     
  9. nealjpage

    nealjpage multi format master in a film geek package

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    Neat! But is the silver the problem, or the chemicals in the fixer that are the problem? It seems to me that silver would be rather inert.
     
  10. JC1220

    JC1220 TPF Noob!

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    Heavy metals are what most are concerned about, i.e. silver. Most fixers today use ammonium thiosulfate, commonly found in dozens of household products that get dumped down the drain every day.

    Use half a pad per gallon. A black sludge will form as well in the container and this should be discarded in the trash, not the drain.

    Also, using fixer to exhaustion creates complex silver compounds that are hard to break down and this trick becomes far less effective.
     
  11. ERS1121

    ERS1121 TPF Noob!

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    Lets be sensible, if you were to dump 1 gallon of fixer into the NYC sewer system it would do nothing. It would be combined with millions of gallons of water, soap, other household chemicals, not to mention maybe a hundred tons of raw human waste. What do you think the one gallon (more or less) is going to do?
    Ed
     
  12. Aquarium Dreams

    Aquarium Dreams TPF Noob!

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    I think that it's what's called a social trap, the same concept underlying global warming as a result of using fossil fuels. Sure, one guy driving an SUV doesn't hurt the environment, but give everyone an SUV (or let everyone dump silver down the drain) and there are going to be problems.
     

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