Experience with "Dust Halt"

Hello! My friend sent me a link to “Dust Halt” from Performance Footing. The indoor arena at our barn is incredibly dusty. Does dust halt work? How often does the arena need to be watered once it’s applied? Presumably it can be watered? My understanding with mag is that you cannot water as you will ruin (dissolve?) the mag. I’m trying to find a feasible cost-effective solution. Even if the solution only lasts through the winter season.

Don’t waste your money. It works great for about 2 weeks. After dragging, the product is dissipated and doesn’t really work