Case study

AstralPool Halo Cloud: reconstructing chlorinator cloud control

AstralPool Halo Cloud reconstructs cloud control of Halo chlorinators as a Home Assistant integration. BLE onboarding retrieves device-generated credentials, after which a client uses the vendor WebSocket relay and parsed device messages for telemetry and control. The security notes document authentication values extracted from the official app binary.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 3
Last commit: 2026-07-09
Language: Python
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: Home Assistant, a Halo chlorinator and access to the vendor cloud; BLE is used for onboarding.
Limits: The pre-release has been tested on one controller firmware version, pbver 2.3; several writes remain experimental.
License: MIT.

Cite

BibTeX

@misc{astralpool-halo-cloud-case,
  title = {{AstralPool Halo Cloud: reconstructing chlorinator cloud control}},
  howpublished = {\url{https://github.com/robmarkoski/pychlorinator-cloud}},
  url = {https://github.com/robmarkoski/pychlorinator-cloud},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/astralpool-halo-cloud-case/}}
}

Plain text

AstralPool Halo Cloud: reconstructing chlorinator cloud control. https://github.com/robmarkoski/pychlorinator-cloud (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/astralpool-halo-cloud-case/

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Primary sources

README.md GitHub · robmarkoski/pychlorinator-cloud · Revision fe95467
SECURITY.md GitHub · robmarkoski/pychlorinator-cloud · Revision fe95467