Originally Posted by
urbanknight
True, but it means you are losing it, so logic says you should replace it as you keep going. It shouldn't be a problem on short rides, but it's important on long rides. Also, if your sweat becomes not salty, then it means you have already neglected the salt you needed. As a coach once told me, "drink before you get thirsty, eat before you get hungry".
Maybe, maybe not.... Depends on your sodium levels *like you say*.
With that logic if I drink a lot of beer and start sweating it out this must mean I need more beer... Wait thats usually true!