Clara Saved Her Heirloom Greenhouse With Three Simple Pantry Ingredients

compound reactions,” Frank said. “Your mother did not know the molecular weight of acetic acid, Clara, but she certainly knew how to stop an infestation.”

“What does the science say?” I asked.

“The vinegar is a mild acid,” Frank explained, leaning his head back against the porch railing. “The outer shell of these beetles is made of chitin, covered in continue reading …