Abstract: An irrigation apparatus is disclosed herein which comprises: a tubular injector having an outwardly and radially extending peripheral shoulder, an upper portion extending above the shoulder to an upper inlet, and a lower portion having a plurality of outlet holes and extending below the shoulder to a lower end so that at least a lowermost section of the lower portion is tapered; and a reservoir having an open top and a substantially closed bottom with an opening sized to exteriorly and removably mate with the upper portion of the tubular injector.