Leak Breakdown
Against a Calling Station, Stop Bluffing and Start Sizing Up
The calling station is the most profitable player at your table and the one most people misplay. You beat him with two adjustments, and both feel wrong the first time you make them. Stop bluffing him, almost entirely. And size your value bets much bigger than feels polite, including overbets. Do those two things and the station goes from the player who frustrates you to the player who funds your session.
Bluffing him is lighting money on fire
A bluff only makes money when the other player folds enough. That is the whole mechanism. You are risking your bet to win the pot, and it works when fold equity clears the price. Against a station, fold equity is close to zero. He is not folding a pair. He is barely folding ace-high. So every chip you put in as a bluff is a chip you are giving away, because the one thing your bluff needs, a fold, is the one thing he will not do.
This is not a hedge. Against a player whose folding frequency is near zero, the expected value of a bluff is negative, full stop. Fire a busted draw at him and you are not "representing" anything. You are donating with a story attached. The correct bluffing frequency against a genuine station is close to never.
The good news is that his one weakness, that he never folds, is also the biggest bankroll in the game if you attack it from the other side.
Size up, because he is paying regardless
A station's calling range is inelastic. That is the key word. An elastic caller folds more when you bet more, so there is a ceiling on your sizing. The station is inelastic: he was going to call to see a showdown no matter what the number was, so within reason, every extra chip you put in the bet is a chip he simply hands you.
So when you have a real hand, bet big. Not the "standard" half pot you fire on autopilot. Two-thirds, full pot, and on the right runouts, an overbet. If he is calling a hundred and he would also have called two hundred, betting a hundred is leaving the second hundred on the table, and you do that every single time you undersize against him. Over a session that adds up to more than any bluff you have ever landed.
This is the same machinery as choosing a c-bet size from the other direction. Sizing is driven by how much value or fold equity is actually there. Against a station there is no fold equity to buy, so you stop paying for it with bluffs, and there is enormous value to collect, so you charge the maximum his range will pay.
Play it straightforward, and quit when he wakes up
Two guardrails keep this from turning into its own leak.
First, do not get cute. Against a thinking player you balance and disguise. Against a station you do the opposite: bet your value hands big, check your weak ones, and let him pay you off. He is not paying attention to your patterns, so there is nothing to disguise. Thin value works too, because he calls with worse than you would believe, so you can value bet hands you would normally check back against a competent opponent.
Second, when the station does put in real aggression, believe it. A player who never bluffs and suddenly raises you is not bluff-raising, he woke up with a hand. This is the same read that tells you to fold the river to a passive player: the station's raise is value, so give up the hands you were value betting and move on. You make your money betting into his calls, not paying off his raises.
Get him heads up in the first place
All of this is easier when you isolate him before the flop. When the station limps or opens small, raise to get heads up in position. You do not want to play a station four ways, where someone behind you actually has a hand. You want him alone, in a pot where his loose calling range is paying off your value with position on your side. Isolate, then size up, then collect.
Stop trying to move the immovable object. Bet your good hands bigger than feels comfortable, keep your bluffs in your pocket, and let the station do what he came to do.
Learn to read the type, then punish it. Holdem Drills constructs spots against defined opponents, including the loose passive station, and grades the read: the bluff you should not have fired, the value bet you sized too small. It scores your decisions against how that player type actually plays, not a solver's balanced range.
Common questions
Can you bluff a calling station?
Almost never. A bluff needs fold equity, and a station's folding frequency is close to zero, so the expected value of bluffing him is negative. The correct bluff frequency against a genuine station is essentially none. You make your money value betting into his calls, not trying to get him off a hand.
How big should I bet for value against a calling station?
Bigger than standard. His calling range is inelastic, meaning he calls regardless of size, so every extra chip is close to pure profit up to the point he would finally fold. Two-thirds pot, full pot, and overbets on the right runouts are all correct where a half-pot autopilot bet leaves money behind.
How do I know if someone is a calling station?
Watch what he calls with at showdown. A station calls too many hands before the flop and refuses to fold pairs, weak top pairs, and draws after it. High involvement, low aggression, and a habit of showing down hands most players would have folded three streets ago. Once you have the read, isolate him preflop and size up.