Commercial and Industrial RO Membranes

Do your commercial RO membranes include brine seals?
Yes. All commercial and industrial membranes ship with a standard o-ring. Seals are food safe and made from durable EPDM rubber that won't leak or defor...
Fri, 6 Feb, 2026 at 2:33 PM
What is the best operating temperature for commercial/industrial RO membranes.
Under normal water conditions, 68°F to 86°F (20-30°C) is the optimal operating temperature range for SpiroPure RO membranes. Typically, customers should not...
Wed, 21 Jan, 2026 at 9:57 AM
RO membrane pH — water temperature and cleaning
Example Question:  The customer bought the SP-XL8040 to be used for maple syrup production. Now he wants to know the pH of sulfur acid rating for washing t...
Tue, 20 Jan, 2026 at 1:15 PM
What is the shelf life of dry, unopened RO membranes? (Not seawater desalination)
When properly stored in a cool, dry place and out of direct sunlight, our manufacturing team states an unopened shelf life of 3 years for all RO membranes e...
Tue, 11 Nov, 2025 at 12:36 PM
How will the fouling-resistant membrane perform at around 120–150 psi?
We aren't able to give exact performance expectations given variation in water quality, but according to the manufacturing team, the membrane should per...
Fri, 17 Oct, 2025 at 2:32 PM
What's the difference between RO membrane test specifications and real-world performance?
While lab specifications like "2,400 gallons per day" are useful benchmarks, they're measured under perfect conditions — ideal water temperatu...
Tue, 5 Aug, 2025 at 4:00 PM
Why are seawater desalination RO membranes shipped "wet"? What does that mean?
"Shipped wet" means that your seawater desalination RO membrane (SP-SW2521, SP-SW2540, SP-SW4040, SP-SW8040) has been tested to industry standards...
Mon, 21 Jul, 2025 at 8:11 AM
Storing Commercial and Industrial RO Membranes Between Use
Q: How do I store my RO membrane when it's not being used? A: The manufacturer recommends soaking membranes in a 1% sodium metabisulfite (SMBS) solutio...
Tue, 27 May, 2025 at 8:34 AM
How do I know your RO filter will fit my system?
We offer universal sizing (2521, 2540, 4021 and 4040, 8040) to help ensure easy replacement for existing systems if the model number is compatible. May I pr...
Tue, 20 May, 2025 at 9:52 AM
RO membrane flow rate and other performance specifications
Customer question: We did achieve the stated flow when we tested your RO membrane.  Can you share the initial performance of the membrane we received whe...
Tue, 20 May, 2025 at 9:51 AM