Answer: Repotting cactus can be a real challenge! You'll want to move them to the next size larger container and use cactus mix (not potting soil). You can find cactus mix in most garden centers. The way I repot my cactus is by either wearing leather gloves or by wrapping the tops in several thicknesses of newspaper so I don't get stuck when handling the plants. Lay the cactus and pot on its side and gently tug the plant out of the pot. Place some cactus mix in the bottom of the new pot, set the entire rootmass into the new pot and fill around the sides with additional cactus mix. Then water it thoroughly to help settle the roots into their new home.
Best wishes with your project!
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