"It's a constant battle, and it's gotten worse this year," says David Caldwell, a maintenance employee at Bowling Green Parks and Rec.

The saying, "every picture is art," is spray painted onto the concrete at the Bowling Green Skate Park.

Last week, the park closed temporarily after maintenance crews say they spent days trying to clean it up.

Cardwell says special chemicals have to be ordered that are strong enough to take off the paint but still gentle enough to not damage the concrete.

Each time they place an order it costs the city $500.

"It's the taxpayers money, they pay us and they have to pay for the stuff to get it off," says Caldwell.

One skater at the park says he's been to several skate parks and graffiti is a common theme.

"I mean it's just like a paint brush for certain people, but then there are some kids that are just trying to do it for fun, just for vandalism," says Jake Biggers.

Some of the younger skaters say they don't mind the graffiti usually but they say it's a waste unless it's "good art."

Biggers thinks there should be a special place designated for the so called "art."

"They should have it set up so , they have their own spot to do it. I mean its going to happen either way."

Cardwell wishes it would stop all together, "I just wish people wouldn't vandalize it as much. It is something the city spent a whole lot of money on here and it's a place for kids to have fun. Respect it, don't vandalize it."

Maintenance crews will continue to clean up the graffiti until the culprits are caught.