Applying a 10% solution of potassium hydroxide (KOH) to a Jack O Lantern Mushroom (Omphalotus olivascens) and observing the color change from orange to green by raising the pH. This is a common toxic mushroom with orange spores that can be found growing on dead wood here in California. It will make you very sick if consumed and can be hazardous for your health in the long run, don’t confuse this with chanterelles. They can be used to dye fabrics and are bioluminescent meaning they glow in the da