“It’s cost people from $100 to $1,000, is what it boils down to,” he said. “Running hot does blow up a motor. It gets expensive.”

Vegetation also can cause propellor slippage, he said.

At the pond at his North Veterans Parkway business, Wagner said, water grasses are now present, where a year and a half ago the water was free of them. Those grasses came in on boats brought in from repair.

To comment on the draft Georgia Aquatic Nuisance Species Management Plan, send an e-mail to jon.ambrose@gadnr.org, or write Jon Ambrose, Georgia Wildlife Resources Division, 2070 U.S. Hwy. 278 S.E., Social Circle GA, 30025.

A copy of the plan is available online at www.georgiawildlife.com, and from the Georgia Wildlife Resources Division office.