Micro #18

Micro #18-1 (magnesium sulfate).
Micro #18-2 (magnesium sulfate).
Micro #18-3 (magnesium sulfate).
Micro #18-4 (magnesium sulfate).
Micro #18-5 (magnesium sulfate).
Micro #18-6 (resorcinol).
Micro #18-6 (resorcinol).