4 ms·Well, fresh water would hurt a lot more than salt water ;)by majcherek128 11y agoWell, fresh water would hurt a lot more than salt water ;)noselasd 11y agoWhy ?adrianN 11y agoBecause the osmotic difference between sea water and your bodily fluids is much lower than with fresh water.noselasd 11y agoOdd - It's been a long time since I've gone swimming in salt water, but I've never had any problems opening my eyes in fresh water.