Does Petco still have the dog wash for your dog?,

Yes

I'm not sure I know some have grooming inside

Petco in Hesperia, CA has full service grooming, bath, toenails clipped, eyes and ears cleaned, descending, etc.

They do grooming there.

I do not know

I don' t know they have shampoo and rinse.

They have the grooming department in t ge store