Copper Copper sulfate drain cleaner
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3D3DCopper sulfate drain cleaner.
For some reason copper sulfate is sold for use in keeping drains clear. I think it's supposed to inhibit the growth of roots that may be working they way into underground clay drains.
This brand consists of fine needle-like crystals.
Source: Farm & Fleet
Contributor: Theodore Gray
Acquired: 28 June, 2009
Text Updated: 28 June, 2009
Price: $8
Size: 2"
Purity: 40%