The two wires from a Triggerlinc is an amazingly simple idea!
Assuming the salt water will close the contacts.
The water level drops during the brining and refills to the level determined by the float, so that should do exactly what I was looking for.
I have an I/O Linc somewhere, just need to remember where somewhere is.
Had looked at the pulsing output from a flow sensor, didn't think about connecting directly to an I/O link.
Also a good idea worth trying.
Wonder how the flow sensors will stand up to the salt water, or if the salt will build up on the impeller.
I've seen a couple of artilcles using an ultrasonic sensor to monitor the salt level, connected to an Aurdino.
A possibility to maybe try some time. I usually remember to check the salt every few weeks.
Wasn't familiar with the Trigger Linc, looking at that gave me an idea for another project.
A float switch to let me know if the water level is low in a fountain and turn off the pump.
Thanks for the ideas!
Greg