Be careful when picking up your crabs so you won’t get pinched. Pick your crabs up using your thumb and index finger and grasping them underneath the armpits. [1] X Research source
You can use a cat litter scooper to scoop out any shedded exoskeletons, feces, or scattered food from the cage. Some hermit crabs have a tendency to spill their water. You may have to scoop out wet sand near the water bowl.
If the toys are very dirty, wipe them down with a 3% bleach solution as well.
Make sure the water you use is dechlorinated. Set the dishes aside to cool and dry. Wait until they’re cool to the touch before returning them to the tank.
If it’s been a few months since you last changed the substrate, make sure to change it completely instead of just adding a fresh layer.