3 gallons for an auto should be fine unless it turns into a monster!
A tent and a good light give you a heck of a lot more control, and let you grow year round. And it makes planning for an outside summer grow much easier as well since they get a better start.
A tent and a good light give you a heck of a lot more control, and let you grow year round. And it makes planning for an outside summer grow much easier as well since they get a better start.