Author: Garry McIntyre
![](https://www.iycr2014.org/__data/assets/image/0008/109934/McIntyre.gif)
Garry McIntyre
Contributed articles
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Copper sulfate pentahydrate | Do try this in your own home! Copper sulfate pentahydrate |
Garry McIntyre
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Copper sulfate pentahydrate | Do try this in your own home! Copper sulfate pentahydrate |