ISLADREAM — Fresh water on a long voyage: manage reserves and the watermaker
2 November 2026
https://isladream.pages.dev/en/journal/eau/

Documentary synthesis, without an onboard survey. Adapt decisions to the boat, current manuals and actual conditions.

[ ] Measure stocks and consumption with consistent units.

[ ] Calculate a scenario without the watermaker.

[ ] Identify an independent, accessible reserve.

[ ] Record net production and electrical consumption.

[ ] Keep the exact manual and maintenance references.

[ ] Check storage, filling arrangements and shared circuits.

[ ] Define a fallback when water quality is uncertain.


Sources & documents
Rainman — Electric watermaker operations guide
https://www.rainmandesal.com/electric-watermaker-operations-guide/
Rainman — Watermaker autoflush system
https://www.rainmandesal.com/watermaker-autoflush-system/
Rainman — Watermaker installation guidelines, version 2.0
https://www.rainmandesal.com/img/documents/rainman-watermaker-installation-guidelines-v2.0.pdf
Spectra Watermakers — Support FAQ and long-term care
https://spectrawatermakers.com/pages/faq
Spectra Watermakers — Manuals and downloads
https://spectrawatermakers.com/pages/support-manual-downloads
Schenker — Zen watermakers and model documentation
https://schenkerwatermakers.com/products/zen/
OMS / WHO — Guide to ship sanitation, chapitre Water, 3e édition, 2011
https://www.ncbi.nlm.nih.gov/books/NBK310823/
CDC — Safe water storage
https://www.cdc.gov/global-water-sanitation-hygiene/about/about-safe-water-storage.html
USGS — Chloride, salinity and dissolved solids
https://www.usgs.gov/mission-areas/water-resources/science/chloride-salinity-and-dissolved-solids