Choose a pot with drainage holes
Use a well-draining cactus mix
Stop watering the cactus a few days before transplanting
Wear thick gloves or use folded newspaper or tongs
Remove the cactus from the old pot carefully
Loosen old soil from the roots gently
Inspect roots and trim any rotten or damaged parts with clean tools
Let the cactus sit dry for a day or two if roots were cut
Place a layer of dry cactus mix in the new pot
Set the cactus at the same depth as before
Fill around the roots with cactus mix
Lightly firm the soil without packing it tightly
Do not water immediately after transplanting
Wait about a week before watering
Place the cactus in bright indirect light at first
Move it back to normal light gradually
Avoid fertilizing right after transplanting
Monitor for signs of stress or rot after transplanting