Concentrated detergent. For all machines including HE. Powerful cleaning at a fraction of the cost (per load vs. the leading liquid). The standard of purity. Fast & Easy: deep cleaning micro crystals; baking soda boosters; no measuring. Now the better way to fresher, cleaner laundry is as simple as one pak. Only Arm & Hammer has a pak with 99% active cleaning crystals for a pure clean. Plus you get baking soda to eliminate tough odors. No bottles, no mess, no problem. The power is in your hands. Safe for septic tanks. Contains no phosphate.