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Old 5th June 2009, 10:28 PM
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Almost everything is hazardous - it's a question of degree. The small amounts of chemicals an amateur uses can be safely flushed down the drain, even I believe if you are on a septic system, 'tho in that case, perhaps more prudent not to flush the spent fixer just in case.

If you use it to near-exhaustion, most of the selenium will presumably be on the prints (don't eat them)...
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