YW, Morten.
Tuya can be tricky. For zigbee units it’s a bit of hit and miss, while similar looking devices can have different firmware. But, you can request for support with the developer, but if it gets added, it can take a while before the device gets added to the Tuya Zigbee app.
For wifi units you’ll have to depend on Tuya servers, and currently the Tuya Cloud app is not actively maintained.
BUT, it has a major advantage: with Tuya Cloud app, pretty much everything (based on) Tuya wifi can be controlled and it can trigger your flows, by Tuya’s MQTT version: RAW commands.
Also, when you buy a Tuya zigbee hub (15 to 20 euro’s), you can also control all Tuya zigbee devices per Tuya Cloud app.
An other Homey compatible tool for pool water = Blueriiot
