If you do, QuickBooks will remove them from Box 7. Once you have completed assigning the 1099 form, select the Accounting Preferences, Company Tab and select. the option to Show Lowest Subaccount Only. This option is only active when you check the Use Account.
Apart from the above uses of copper sulfate, this compound is also used in preparation of wood preservatives to protect timber from wood worms. It is also utilized as a mordant in dyeing, and as a reagent in tanning process.
According to the recent US Navy's Treatment of Chemical Agent Casualties and Conventional Military Chemical Injuries: FM8-285: Part 2 Conventional Military Chemical Injuries, Cupric (copper(II)) sulfate has been used by U.S. personnel in the past and is still being used by some nations.