Police obtained closed circuit television footage from the facility and are currently conducting a scene examination.
Police are appealing to the public, particularly those travelling via the Harbour bridge and Totara St Mount Maunganui, between 10pm and midnight for any information that might help to identify the people involved in this burglary.
Police are also keen to hear from members of the public who are aware of or have suspicions about people who have been in contact with such chemicals.
Anyone with information is asked to contact Police on 07 577 4300 or in confidence by calling Crimestoppers on 0800 555 111. Matt Valentine Detective Constable Mount Maunganui Tactical Crime Unit