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.
Character Analysis Dido. Dido is the queen of Carthage. Virgil portrays her as Aeneas's equal and feminine counterpart. She is an antagonist, a strong, determined, and independent woman who possesses heroic dimensions. Like Aeneas, Dido fled her homeland because of circumstances beyond her control.