Patent ID: 8342427

Claim:
A lawn fertilizing device for installing in a water system, said lawn fertilizing device comprising: (a) a first half housing removably attached to a second half housing via a screw mechanism, each half housing having an inner cavity and the inner cavities of each half are fluidly connected after they are screwed together, wherein the second housing has a transparent upper dome; (b) an intake pipe disposed on a first side of the first half housing and an outlet pipe disposed on a second side of the first half housing, wherein the outlet pipe is on the opposite side of the intake pipe, wherein the intake pipe is fluidly connected to the inner cavity of the first half housing via a first inner pipe and the outlet pipe is fluidly connected to the inner cavity of the first half housing via a second inner pipe, the first inner pipe being curved upwardly toward the inner cavity of the second half housing, wherein the removable first half housing together with the intake and outlet pipe form a T-shape; further the intake and outlet pipe are positioned opposite of each other with respect to the first half housing; (c) a valve disposed in the intake pipe or in the first inner pipe that can move between an open position and a closed position for respectively allowing and preventing water flow to the first half housing and second half housing; (d) a box with apertures disposed in first half housing and the second half housing for holding a chemical bar, wherein the chemical bar comprises fertilizer, the aperture allowing water from the inner cavities of the first half housing and the second half housing to enter the box and contact the chemical bar; wherein the intake pipe is connectable to a first portion of a main pipe of the water system and the outlet pipe is connectable to a second portion of the main pipe of the water system; wherein water from the water system can enter the first half housing via the intake pipe, then mix with the chemical bar, then exit the first half housing via, the outlet pipe.