If you smack that bridge and nothing happens—like, zero movement—you might have a bigger issue, like a broken brine grid or a salt plate that’s fused to the bottom. Don’t use a hammer or chisel inside the tank; you’ll crack the plastic.
At that point, call a plumber or a water softener service. It’s better to pay a pro $150 than to buy a new machine for $800. Your pride can handle that phone call; your back can’t handle a shattered tank.
One Final, Slightly Embarrassing Tip
Keep a flashlight handy because you’ll probably drop a screwdriver into the tank at least once. I did. Twice. And if you hear a strange gurgling sound later, don’t worry—that’s just the air bubbles escaping. Your softener is thanking you with clean, soft water.
So, next time you see a salt bridge, just tell it, “Not today, crusty monster.” Then break it, vacuum it, and refill that tank like the home-maintenance hero you are. You’ve got this.