[07:49, 13/12/2023] Edwin Chen 013: @Leung KH🍀, arrange to repair and tighten the connection
[08:01, 13/12/2023] Leung KH🍀: Noted
[16:36, 13/12/2023] RONALD KH: swimming pool CL 0.5, pH 7.8
[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...
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