I've found that — I'll give you an interesting little formula that I found. (bookmarketingtools.com)
I have a long list of little formulas or tricks I use to put my house together in a way that allows me to use what I have and pull it all together. (theinspiredroom.net)
In the end, Ezra needed very little formula at first, and then only occasionally later on, once my pumping efforts stopped producing enough extra for storage. (alphamom.com)