Best way to measure salt for new water?

[ReefGrrl]

Originally Posted by brisco

I only do water changes on Wednesdays in months that have an R in them and a waxing gibbous moon! Lol

Oh, how I aspire to that type of schedule....but I don't run a skimmer in the 29 cube, so it's 10% every 4-5 days for me.