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1  Using Arduino / Project Guidance / Pool Chemical Measurements on: February 08, 2013, 12:24:09 am
My first post, go easy. I have a couple of arduino UNO boards and looking for something to monitor the chemical levels in my pool.
I want to do it using least amount of power, ie low power mode and I am having a pretty hard time finding probes or sensors.

I want to have a floating gadget in the pool; on its bottom-side would be multiple electrode/probes that measure different chemical levels. So the probes I am looking for would have to last a looooong time submerged in later, and live through hot and cold days through and through.

I imagine many pool owners here would be interested in having this gadget?

These are the sensors/probes I had in mind:
temperature - not worried should be able to find easily
ph level
free chlorine
bromine (for salt water pool)

would be cool if I could find these:
TDS (total dissoved solids)
Salt
Alkalinity
Cyanuric Acid

Ideas on sourcing these sensors? Anyone interested in a similar project would be great!

T.
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