It may be decomposing if you notice black spots on your aloe plant. Rot can also be identified by the presence of a foul odor, softening of the stem, and a slimy or watery texture. When you have any reason to accept Aloe is rotting, remove it from its pot and dispose of it immediately. Do not save a dying plant to avoid spreading the disease to other plants. Remember to throw away a plant when you aren't sure whether it is rotting or not. Aloe infections can treat if found early enough. Therefore, it's essential o keep an eye out for signs of disease in your plants. You can keep your plants disease-free for years if you keep a close eye on them.