Today I found fungus growth in a few of my recently repotted plants. The potting mix is a combination of peat, bark, decomposed granite, and pea gravel. The potting mix for a few plants that are not succulents, had the addition of a manufactured cactus mix.

Removed From Two Potted Plant

Evening–Found more potted plants with evidence of fungi.

When I opened the soil bin, this is what I found.

Did not see the fungi when I used the cactus soil as part of a soil potting mix.
Just finished repotting every plant that I used the soil potting mix.

Gosh, it was a lot of work to clean the plants and scrub and disinfect the pots, make a potting mix, and repot all of the plants. Good that only a few plants were potted up the day I used the soil potting mix.