Home Library Farm Dairy Cow Shed How a tap works How a tap works Please login/register to the Hub in order to view contents. MORE VIDEOS IN SECTION Hosing out ( Intro ) The aim of hosing out Grate cleaning How a stone trap Works Understanding your water operation ( water tank ) Understanding your water operation ( wash down pump switch ) Hydro fan nozzle Anchor hose nozzle Hosing out Pt1 Checking overflow on Grates Hosing out ( Hydro fan nozzle ) Final clean up After hosing Shovelling out your Stone trap