After two years of having SYNLawn install their synthetic grass ($3153 for 465 sq feet), we are yanking this stuff out. We were convinced by their sales associate that this was the best thing in our backyard for dogs who burned grass with their urine. Indeed that may be the case but now our yard smells like pee and despite the numerous efforts to neutralize the odor (per SYNLawn's own instructions), it's more than we can tolerate. Even after all the rain this winter in central California, the urine odor is completely... read full review »