Chapter 260 Stir-Fried and Blanched

"By the way, Ash In Deep Dark, can you make a preservation formula?" Rhea asked.

Ash In Deep Dark paused, then replied, "The preservation formula's main ingredients are nitrites, brimstone dioxide, and antibiotics.

"We could probably substitute nitrites with concentrated sea salt, and brimstone dioxide can be extracted from brimstone as well."

"But the challenge is antibiotics. The microbes here a