Day Six in the Holding Tank: The pH Curve Behind a Collapsed Gel
Gelled urine can collapse back to slurry by day six as urea raises pH. A seven-day bench record, the temperature effect, and three levers that buy holding time.
A Clean Paint Filter Proves Less Than You Think
A paint filter passes a sample under gravity. Trailers apply weight and heat. Three failures the test misses, and the load and warm-hold tests that catch them.
