I don't use Bramblebery's calculator. I added up your oils and you have 32 ounces of oils that is 2 lbs you need 48 ounces of oils for 3 pounds. I don't count water amount and weight for my mold. try calculation in Soapcalc 9 and put in 48 ounces of oils and use your percentages in your recipe.
Don't judge a candle on the first second or third burn burn it all the way down to 1/2 inch wax left in the jar and than decide which one is the better.
polyethylene is plastic it will draw the scent out use Polypropylene or Cello bags. The containers you have should have a number 5 on the bottom of the cup with a triangle around it.
Polly my DH made this single cutter for me he got the idea from a cutter on a website called Cumberland Acoustics a Guitar shop in Tennessee they sell this single cutter for $175.00 DH made it for around $45
the cutter is huge like 20 inches long and 12 inches wide...
Here you go!! You cut off 2 1/2 inch sections and turn the soap on its side and cut in half. here is my video. My middle color didn't get all the way to the bottom.
http://m.youtube.com/watch?v=mF9ie3NBhqc&feature=plcp