I enjoyed booking through Klook as it's convenient and I was granted access quite fast. It's a nice place with different pools of different temperatures. But the temperatures varied within 1 to 2 Celsius only, not much of impact. There was a swimming pool as well. The acidic and alkaline pools were just besides the lake with great view. But they weren't big enough if there were too many people. In the afternoon, there were too crowded as there were many tour groups. By the evening, it was slightly less crowded. It's the time I enjoyed much. I spent hours relaxing there. The changing area was spacious and shower cream was provided.