Eco Nuts® Oxygen Booster is an stain remover in a powder form that is activated when added to water (warm or hot water work best). Oxygen is released removing many tough stains on water-washable clothing and fabrics. Eco Nuts® Oxygen Booster should be used in conjunction with detergent to boost your detergent’s cleaning power. Two tablespoons of Eco Nuts ® Oxygen Booster should be added to every load of laundry to boost the power of your detergent and fight stains. Pretreat or presoak for tough stains.