Update! I was able to salvage almost 2’ of the necrotizing cactus and the cutting is currently chilling upside down. The other San Pedro has been successfully removed, roots cleaned, and will be repotted once its roots are sufficiently dry. No mealybugs and the roots look good! Thanks again for all ...

Thank you so much- this was incredibly helpful! Guess I have a weekend (year?) project ahead of me. I’m glad I have a chance at saving him!

Thank you; sad but I expected as much. Is the other portion still salvageable? Showing no black spots. I plan on getting a new pot and the potting soil if you think I can split the two.

Hi friends! I’m fairly new to cacti and am looking for some advice. I bought this friendo two weeks ago, had him repotted, and just this weekend noticed the base of one is turning black. I scooped away the dirt and it doesn’t go down far. The left side is unaffected. The black goes all around, but t...