The softener control head or plumbing sweats heavily, causing water on the floor that looks like a leak.

Safety first: Verify that the moisture is condensation and not an actual leak before proceeding.

• Dry and inspect: Wipe all surfaces dry and observe for new moisture. Condensation will form evenly on cold surfaces; leaks will appear at specific joints.
• Improve ventilation: Increase airflow around the softener by opening doors or adding a small fan.
• Insulate pipes: Install pipe insulation on cold water lines and around the control head where practical.
• Use a dehumidifier: In very humid spaces, a dehumidifier can significantly reduce condensation.