I do, and here's how I do it. I take the old potting soil, put it in a 3 gallon pot, and pour a kettle of boiling water through to kill it, then I mix it half and half with new potting soil. Things grow very well in this, and I've never had any root rot problems from the old soil.
Didymo (Didymosphenia geminata), also known as rock snot, is a non-native invasive microscopic algae (diatom) that can produce large amounts of stalk material to form thick brown mats on stream bottoms.
Stan is a song by American rapper Eminem featuring British singer Dido. It was released on December 9, 2000 as the third single from Eminem's third studio album The Marshall Mathers LP (2000). It peaked at number one in the United Kingdom and Australia.