Calculations and Alternatives
On November 2, 2009, I opened a 30oz bottle of Purex softener, bought from the Dollar Tree. There's 2 of us, about 5/6 loads a week. I used about 1 tsp per load, never actually measured. That dollar bottle lasted me till 3/8/10 & I rinsed out the bottle for the last couple of loads. I've started...