Our ultra-concentrated laundry soaps are handmade in small batches absolutely never using; fillers, parabens, phosphates, chlorine, artificial colors or fragrances making them ideal for those who have sensitive skin. It is safe for both septic systems and high efficiency washing machines.  To Use: Add 1 TBSP per regular load, 1/2 TBSP for high efficiency machines. We package our Borax Free Laundry Soap in 24 ounce black bags. 48-96 loads.  Ingredients: Castile Soap (Coconut Oil, Distilled Water, Sodium Hydroxide) Sodium Bicarbonate, Sodium Carbonate, Sodium Percarbonate.