If the detergent pod won’t fit in the dispenser
Try cutting or crushing it get as much as you can and put the rest directly on the door when you start the machine, some pods are smaller get those for your dishwasher.
Unless you have perfectly soft water, powders and liquids will not work anymore unless you’re doing something special like adding phosphates or if you’re using a commercial Powder detergent that still has phosphates.
John L