Clara Saved Her Heirloom Greenhouse With Three Simple Pantry Ingredients

the magnification. But along the tiny ridges of its outer shell, bright pink specks glowed like hot coals under the purple light of the ultraviolet bulb.

“What am I looking at, Frank?” I asked, keeping my eye fixed on the lens.

“That is a fluorescent dye marker,” Frank said, his pause long and deliberate. “It is a chemical compound continue reading …