CONTAINER GARDENING TIP OF THE DAY
Speaking about soil, you can add unused cat litter to your soil mix that you use for succulents and cacti. A third litter to two thirds soil is okay. Succulents (and similar) prefer fast-draining soil and this is a very good substitute/addition for lightening up the soil, enhancing drainage properties and it will help you with your watering regimen for these delightful water-storing plants. You could also add/mix in fine bark mulch - it also works well.
Never use soiled litter (this is the one time you do not recycle!) and note that it is best to use a litter that is not fragranced and which is clay-based. The pet store will help.