31 Loads. More stain-fighting action. The surfactants and enzymes in Wisk with ColorSafe Bleach are biodegradable. Safe for septic tanks. Wisk with ColorSafe bleach does not contain chlorine bleach. This Wisk formula was made without phosphorus. This packages contains 31 loads when measured by weight. The precise number of loads from each package will vary somewhat with the size of wash load, method of measurement and the settling during shipment.