copper and tanks

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joe0813

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About 4 months ago I treated all my fish with copper power in one of those 100 gallon plastic horse troughs from tractor supply. Now we are moving and I was going to store my live rock in there with some saltwater. Will it be alright or is the copper power absorbed into the plastic?
 
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Jay Hemdal

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About 4 months ago I treated all my fish with copper power in one of those 100 gallon plastic horse troughs from tractor supply. Now we are moving and I was going to store my live rock in there with some saltwater. Will it be alright or is the copper power absorbed into the plastic?
Copper doesn't seek out plastic to absorb onto, not like it does with calcium based sand and rocks. There is some risk that copper evaporated on and into scratches in the plastic though if you didn't rinse the trough with FW before storing it.

If you want to be extra safe, rinse the trough with white vinegar, full strength, just slosh and wipe it around. Then, rinse it out with tap water and then a final RO rinse.

jay
 

jmichaelh7

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Copper doesn't seek out plastic to absorb onto, not like it does with calcium based sand and rocks. There is some risk that copper evaporated on and into scratches in the plastic though if you didn't rinse the trough with FW before storing it.

If you want to be extra safe, rinse the trough with white vinegar, full strength, just slosh and wipe it around. Then, rinse it out with tap water and then a final RO rinse.

jay
Does vinegar only work or bleach if you have it on hand
 

Jay Hemdal

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Does vinegar only work or bleach if you have it on hand
I wouldn’t use bleach, that is an oxidizer and a disinfectant, so wouldn’t remove copper. The vinegar drops the pH, dissolving any copper that might be bound to carbonates on the surface of the tub.
Jay
 
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