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 detergents 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.