Hard Water, Soft Gel: 400 ppm Flush Water and the Grade You Pick
Calcium bridging locks a polymer particle before it swells. How to read a water report, what to test, and why softened water can make gel performance worse.
Your CoA Says 320 g/g: Sampling the Bags It Didn’t Cover
A CoA describes one lot in deionised water. How to sample three bags per pallet, test in site water, and set accept limits that survive a dispute.
