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Questions specific to the sea or oceans
1
vote
How reliably can you assess the condition of a reverse-osmosis desalinator?
You may or may not want to use a secondary purification process that would not normally be required with reverse osmosis
Related How much sea water can I safely drink? …
17
votes
How to get out through surf in fins?
Walk backwards.
The fins will have the least trouble with the water if you walk backwards.
42
votes
Accepted
How much sea water can I safely drink?
How much sea water can I safely drink? = None
If you drink sea water, how much fresh water do you need to drink to off set the sea water you drank? … Sea water has 35 GRAMS of salt per liter that is 35,000mg. Drinking sea water, because you are sweating while lost at sea, is not a good idea. …
2
votes
How do I make and test a radar-reflecting hat?
When you’re sitting in a kayak your eyes are about 2.5 feet above the surface of the sea–this is why waves appears so big when you’re in your kayak. 7 x 2.5 = 17.5 and 17.5 / 4 = 4.375 and sqrt of 4.375 …