MulchWorx Red Mulch Color Concentrate - 2,800 Sq. Ft. - Deep Burgundy Red Mulch Dye Spray

How many oz is the container?

Will this work on pinestraw?

Will it work on rubber mulch and if I have red mulch and use the black colored one will it color over it so it is not read anymore?

Does anyone know if it can dye black mulch red?