That is the exact makeup of the water in my tank. Except for the Radon, mine seems to hover around 6X10-15.

yeah im a bit low on the dysprosium and Praseodymium levels. i wonder if thats the reason i have hair algae?

I wonder where this it taken.. I can imagine the numbers change from place to place.

it really is cool all of the unusual stuff that is really in seawater. something tells me that synthetic salt like we all use doesnt measure up.

Uhhh... Should I be using iodized or non-iodized salt? :?