As some of you may know, I wrote a review on The Simply Co. laundry powder detergent (you can read that here ) last year. We've been using it for a year and a half now and have loved it. It's a great natural detergent, smells amazing, and works as advertised. As much as I have loved this detergent though, we've been trying to find ways we can spend less money each month and this was one area I thought I could save. Since the ingredients of The Simply Co. detergent are labeled on the glass jar, I thought I'd just give it a try. Since I didn't know the exact amount of each ingredient, I went to Pinterest and found a recipe here . HOMEMADE LAUNDRY POWDER DETERGENT INGREDIENTS 1 Bar Castile Soap - update, I use this kind now (recommended) 1 Cup Baking Soda 1 Cup Washing Soda Organic Essential oil (optional, I use Lavender) INSTRUCTIONS Finely grate your bar of castile soap. Mix in all ingredients together. Add 2-3 drops of your fa