Cleaning fluid isn't empty. Though the app says so. Also, pls help to find cheap replacement: https://www.reddit.com/r/Dreame_Tech/comments/1ei8r6k/dirt_cheap_cleaning_solution_to_insert_in_dreame/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button