While I'm not familliar with the exact game you are playing, in general, a calling station is one who will usually always call your bets to the river and will not do much betting or raising themself.

As such, forget about bluffing, as they will call you with anything. But as a result of that, you don;t need a powerhouse hand to bet with either. You can value bet small hands in which you have a little something in which they will pay you off with a lesser hand.

Certainly, you will bet your strong hands without needing to slowplay them. But on the river you can also bet mediocre holdings also. You will get paid off often and those times where they might have a better hand than you, they will not likely raise you, if they do play like a true calling station.