How long does RO water stay perfect?

[JSinger884]

I buy my RO water from the LFS and always have some left over. I was wondering how long the water stays in good condition??

[Brianc_4]

I"m not sure of a general rule of thumb for shelf life on r/o water. I usually use mine up within a couple of weeks, and have had no problems. Just keep it in an air tight container, and throw a powerhead in it for an hour or two before adding it to your tank.