| 20 g | NH4Cl |
| 6 g | MgSO4·7H2O |
| 3 g | KCl |
| 0.2 g | CaCl2 |
| 0.05 g | FeSO4·7H2O |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.