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Q&A How reliably can you assess the condition of a reverse-osmosis desalinator?

Handheld desalinators operating on the principle of reverse osmosis are available for emergency use in lifeboats. Sometimes they appear for sale unused in their original packaging at a very steep ...

2 answers  ·  posted 6y ago by mmcc‭  ·  last activity 6y ago by System‭

Question sea