Where to buy smooth river rock

I need some smooth river rock, about golf ball size to put on top of the dirt of my potted plants to keep the squirrels from digging into the pots and making a mess.

home depot

I was looking for some place here at lakeside, a nursery perhaps.

Jara next o Telmex has bags of them.

Yep and I think the vivero across from Superlake might have some too. I know they have lava rock in the bags.

We found some at the hardware store just west of TelMex 180 pesos bag for 20 kilos, then went to the nursery behind the Ajijic hospital clinic, and bought them for 150 pesos a bag. Thanks.