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.
Didgeridoo (also didjeridu or didjeridoo) is the Euro-Australian name for an ancient tribal instrument from Northern Australia. Over 40 tribal names for the didgeridoo are known; two of the most common outside Australia are Yaraki and Yirdaki. (Yirdaki means neck of emu or just neck.).erophone because the didgeridoo produces sound with a vibrating column of air; lip-reed because the reed that vibrates the air column is the player's lip.