Technical Bulletins · Bluecube®
Bluecube® technical bulletinsfor seawater RO watermakers.
Guides by Jess Fike, H2O Inc.
Practical guides for chief engineers, marine engineers and offshore maintenance technicians running seawater RO watermakers from 2,000 to 40,000 gpd on offshore platforms and commercial vessels.
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Each new bulletin is added here as it is published.
TB-101: Less Water, Saltier Water
What your watermaker readings are really telling you, and when to act on them. Why raw gauge readings mislead, how to normalize seawater RO readings, and when to clean or replace the membranes.
By Jess Fike · Revision 1 · November 2, 2026 · 14 pages
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How to Clean Seawater RO Membranes
How to Lay Up a Seawater RO System and Bring It Back Online Without Damaging the Membranes
Prefiltration
Potable Water Post-Treatment
Start-Up and Commissioning of Seawater RO Membranes (Wet Versus Dry-Type)
Sizing a Seawater RO System
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