Bluetooth chlorine and PH meter

[rapalero]

Hello.

What do you think of this Bluetooth chlorine and PH meter?

Is it reliable?

92.29US $ |Medidor Digital de temperatura de cloro ORP EC TDS, PH, Bluetooth, probador de calidad del agua, ATC, APP inteligente en línea, Monitor 6 en 1 para piscina| | - AliExpress

¡Compra fácil, vive mejor! Aliexpress.com

es.aliexpress.com

Thank you.

 

[AK-]

Very very likely a waste of money.

There is a chance the pH will measure accurately, but you will need to use your drop test to confirm it is still accurate from times to times (likely more frequently than you might think).
Regarding the ORP to measure chlorine:

Understanding ORP

Understanding ORP is the single biggest problem I run into when dealing with new staff. It's not a difficult topic but nobody really offers any training on automated controllers the way training is offered for manual chemistry and pool operation. First ORP doesn't have anything to do with...

www.troublefreepool.com

 

[kul]

I wouldn’t rely on it alone. Do your own testing to compare.