Q: We are getting water spots after using an alkaline wash and acidic rinse in CIP cleaning. Why is this happening? A: A two-step cycle with a base followed by an acid, whether it be CIP cleaning or in a large scale liquid dispensing system washer, is a robust and, when needed, is a recommended process. Water spots typically occur because of two main mechanisms: 1. If … [Read more...] about Clean in Place “Hacks” for Water Spots
water spots
Water Spots on Medical Devices After Washer Cleaning
Q. We are washing stainless medical devices in a washer and are getting water spots. We are using Solujet and Citrajet. What’s causing this problem? A. Water spots typically occur because of two main reasons: the orientation of the parts in the washer is trapping dirty wash water and/or detergent dosing is insufficient. If any items being washed have a shape that can retain … [Read more...] about Water Spots on Medical Devices After Washer Cleaning
Water Spots on Stainless? Improve Blowing Process
Q. White spots appear on our stainless steel parts the day after cleaning with Alconox detergent. Right after we clean them, they are dry and visually clean. So, is this next-day residue from the Alconox detergent? If not, can you tell us why this is happening? A. It is quite unlikely that visually clean parts have Alconox® Powdered Precision Cleaner residues suddenly … [Read more...] about Water Spots on Stainless? Improve Blowing Process
Water Spots & Oil Removal: Pharma & Lab Glassware
Q. We see white water spots on cleaned and depyrogenated vials. Looks to be scale from the washer. Do you have a recommended cleaning agent for vial washing? I am told that use of detergents is not an industry norm. We also have baked on process fluids (oils) and would like to know if it is an industry norm to use detergents to remove such substances from glass vials used for … [Read more...] about Water Spots & Oil Removal: Pharma & Lab Glassware