The official 'flicking of the switch' will be undertaken by Rotorua MP Todd McClay sometime after 7pm tomorrow.
"Our Bath House building is one of the most photographed buildings in New Zealand, it's iconic and this new lighting is an initiative we can all be proud of. It's destined to blow Rotorua's socks off," said Mr Thurston.
"In terms of cost saving, RGB Colour Change LED's combine top of the line performance with energy efficiency, reduced installation and maintenance costs, so it's a win-win."
"The heritage status of the Bath House building also plays a part in all decisions we make. Ensuring the integrity of our building was not compromised was top of our priority list," said Mr Brown.