Chemtrol Pool Controller: Difference between revisions
→Chemical Probes
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=== Chemical Probes === | === Chemical Probes === | ||
The ORP and pH probes are said to be rated for a year of use. | The ORP and pH probes are said to be rated for a year of use. Recent experience suggests that they are useful for about two swim seasons. Probes must be replaced when readings do not reliably align with those from the chemical test kit (and cannot be corrected via calibration). | ||
The [http://www.sbcontrol.com Chemtrol] branded probes are | The "original" [http://www.sbcontrol.com Chemtrol] branded probes are expensive. We have had good results with probes from [https://sensorex.com/ Sensorex] (purchased in 2020 and 2022). The cost is about 75% less than those from Chemtrol. | ||
* pH5000 Polycarbonate Swimming Pool pH Sensor ($ | * pH5000 Polycarbonate Swimming Pool pH Sensor ($62 as of May 2022) | ||
* ORP1000 Polycarbonate Laboratory ORP Sensor ($ | * ORP1000 Polycarbonate Laboratory ORP Sensor ($97 as of May 2022) | ||
NOTE: In the future, the pH1000 may be a better buy (only $54 versus $62, as of 2022). The only difference is the cable length (confirm that it will reach). | |||
=== Flow Meter === | === Flow Meter === | ||