Foca Laundry Detergent He Safe . For soaking, add 1/2 cup (40 g) of detergent to a bucket full of water. Use a slight bit more if the laundry is a bit dirtier. Foca Phosphate Free Laundry Detergent, 176.36 oz from www.walmart.com #7 method concentrated lavender cedar detergent. Tide ultra stain release free. This detergent dissolves grease and organic matter.