Tuesday, September 19, 2023

20 SEP 23



 RONALD KH: water feature CL 1.0







RONALD KH: swimming pool CL 3.0,pH 7.8


 

No comments:

Post a Comment

20 JUNE 2024

[14:38, 20/06/2024] Edwin Chen 013: All OK? [14:45, 20/06/2024] Leung KH🍀: Okay [14:46, 20/06/2024] Leung KH🍀: 3,329ppm [14:46, 20/06/2024...