What does dry RO membrane mean in practice?
The item is shipped without a preservative solution and requires full hydration and rinsing before performance evaluation.
When does it matter?
The first liters may have unstable conductivity, and long-term storage must take place under the conditions specified by the manufacturer.
Which solutions are related to it?
After installation, the drain is flushed, the first production is discarded and only then the efficiency and retention are measured.