salt mix

[mk2flip]

does anyone know how long mixed up saltwater will last before adding it to the tank? the reason being is i have a 55 gallon drum i would like to mix up half a barrel and keep it on tap for changes.

 

[schiejr]

Nothing to go bad-should be good for a long time if you keep the dust and other crud out.

Here is some more reading in a similar recent post:

http://www.reefcentral.com/forums/showthread.php?s=&threadid=929925