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My Artificial Turf Smells Like Dog Pee – What Should I Do?

A lot of folks with synthetic grass lawns say they love how low maintenance their turf is. But for those with a Fido afoot, TLC will sometimes be needed to eliminate a common turf issue for dog owners. We’re talking about the smell that happens when artificial turf and dog urine mix. 

Artificial turf is famously pet-friendly — and, just as important, pet owner-friendly. By opting for turf and a safe, non-toxic synthetic turf infill for your lawn (or your dog park!), your greenspace is guaranteed to look, well, green, no matter how many bathroom breaks your pup is taking. As a pet owner, artificial turf gives you very little to worry about — unless things start to get smelly. Foul odors make it hard to enjoy the outdoor space you’ve invested so much time and planning into, which can ultimately mean less time outside for both you and your dog.

Below, we break down why dog urine can sometimes lead to smelly turf, the steps you can take if this happens, and how to prevent it going forward.

What’s causing my artificial turf to smell like urine? 

The short answer: urea. 

Urea is a waste product that the body — human or canine — produces as it breaks down amino acids. Those acids metabolize into ammonia and carbon dioxide — and ammonia, in particular, is incredibly toxic when stored in the body in large amounts. By turning these toxic byproducts into urea, the body can safely move them through the bloodstream and kidneys and expel them as urine. 

Unfortunately, after exiting the body, that’s when things start to get a little — well, stinky. Over time, urine residue will slowly release ammonia back into the air, which is directly responsible for that smell. Although artificial turf is designed to have much better drainage than natural grass, when a dog constantly uses the same stretch of turf as their toilet, all that urea-filled urine can build up in the turf’s individual layers. 

A quality synthetic turf infill is crucial to preventing odor buildup. But not all infills are created equal. For instance, raw sand — one of the most common infills used in turf landscaping — can actually make urine smells worse. This is because sand traps urine, which prevents it from draining quickly through your turf system. You’ll want to pick an infill that optimizes your turf’s drainage abilities, as well as one that helps eliminate odor-causing organic growth and bacteria. 

How do I stop my artificial grass from smelling? 4 steps to take

Every situation is different, but first, check to see if your turf installer used infill, as well as what kind of infill they went with. From there, you’ll be better equipped to address the root cause of your turf’s smell. Unfortunately, there’s no one “magic cure” for fixing stinky turf — it’s, at the end of the day, a multi-step process. But for those who are willing to start from scratch and deep clean their turf, rest easy that the smell can be improved. Below, we walk you through how to do just that.

1. Vacuum out old infill.

This is probably the most time-consuming step to getting your turf free of noxious smells. More than likely, if you used a different infill before switching to an anti-odor brand, old residual infill could be responsible for causing bad smells to linger. The best solution is to install an odor-fighting infill, like Envirofill, in the first place. That’s because adding an odor-fighting infill on top of your old, smelly infill won’t fix matters. If you are in the position of switching between infills, though, do everything you can to get out the old gunk before putting in your new infill. 

2. Once old infill is removed, deep clean your turf’s fibers.

For turf that’s smelling a bit too much like dog pee for your liking, use an enzyme-based solution to give it a good deep clean. Enzymes are essential because uric acid, urea’s similarly ammonia-rich counterpart, is not water soluble — meaning water alone won’t help you get rid of it. An enzyme-based solution will speed up the ammonia production that’s already happening, helping it (and that pesky smell) to quickly evaporate.

Most enzyme cleaners can be hooked up to a hose and, along with water, used to soak your yard. It may take more than one application of cleaner, so wait until things get to an “acceptable” odor level before moving onto the next step. Trying to get your turf’s smell as close to square one as possible is key here.

Note also that most enzyme cleaners don’t require any brushing or scrubbing — just a simple rinse. If brushing does seem necessary, you’ll want to check with your turf installer beforehand to be sure you won’t damage your turf’s fibers.

Finally, let your turf dry completely, as installing infill with moisture present can be challenging.

3. Install Envirofill.

Envirofill is the only synthetic turf infill on the market that’s infused with Microban antimicrobial technology, helping it to reduce ammonia and fight against odor-causing bacteria, mold and mildew. In fact, Envirofill has been shown to reduce ammonia odor from urine by up to 99%, given it disrupts the bacterial process that converts pet urine into ammonia odors. And because Envirofill is coated, that keeps its otherwise-porous sand granules from harboring and growing bacteria from the inside. All together, that means the properties of your infill are working 24/7 to keep your yard clean — and smelling clean, too.

For the full anti-odor effect of Envirofill, be sure to use the recommended amount of two to three pounds of infill per square foot, at a minimum. Sticking to just one pound of infill per square foot of turf won’t provide enough coverage to fight off odors.

4. Perform regular cleaning and maintenance.

For starters, you’ll want to rinse your turf regularly using an enzyme-based cleaning agent — a bit more often if you have multiple dogs. Beyond the number of dogs, other factors can contribute to how likely your dog’s urine is to cause turf odors, too, including: the amount of sun, rain and humidity your yard gets; the kind of food your dog eats; your dog’s gender and size; and how sensitive you, as the homeowner, are to the smell of ammonia to begin with.

At a minimum, you’ll want to rinse off your turf once a month. It could be rinsed as frequently as once a week, though, particularly if you live somewhere that doesn’t get much rain and have big dogs using a smaller yard. At the end of the day, it all comes down to what makes you — and your nose! — most comfortable.

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