[Support request] Air Dome / AirBase To Parent Forum August 25, 2022 at 12:52 pm #1107 JeffParticipant Is it normal for the water in the tray to bubble when using the Air Domes with the AirBase? Some are, some are not. August 25, 2022 at 12:53 pm #1114 JoshKeymaster Hi Jeff, If air can’t rise through the substate it means it is not free draining enough, please take a look at the catalogue for more detailed information You must be logged in to reply to this topic.