12:36 Received "TCSy Chiller flow is low" alert (Attached is trend of the TCSy flow rate.  (It takes a drop at 12:23 w/ no alarm.  Then takes a small jump up at 12:36).

Went out to the chillers to check & top them off:

• TCSy Chiller:  Was 8.7 & topped off at 10.0 with 75mL
• TCSx Chiller:  Was 29.3 & topped off at 30.3 with 75mL

After the water was added, TCSy chiller returned to its normal Flow Rate.