Diy Dog Waste Disposal System . There is no doubt that the yard odor remover shown above is patented however you can use a homemade. See more ideas about dogs pooping, diy dog stuff, dog yard. Dog Park Equipment from www.byoplayground.com You’ll need the following products to create the diy dog waste composter: (a keyhole saw works great for this.). As much as possible, it needs to be larger than the actual diameter.