100% sodium tetraborate which is exactly what is in 20 Mule Team Borax in the laundry detergent section of walmart, kmart and your grocery store for about $0.63 per pound! yeah
That is true. But keep in mind that Borax is not labled for use in a swimming pool. I know it is a technicality, but if someone gets sick and they sue ... well, better to stick to the labeled directions.