Hi @Windynite ,
You want the visual to be blank when the slicer is not selected, right?
Please set a new measure.
Measure = CALCULATE ( IF ( ISFILTERED ( 'Table'[Month] ), 1, 0 ), ALLSELECTED ( 'Table' ) )
Add this measure to visual level filters, and set its value to 1.
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.