Auto Top Up Failed Again :(

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Originally Posted by martinmcnally

Where do you get those optical sensors I used one of those before and found them very reliable.

I ordered them in bulk (10) from the manufacture over seas. I can try and find out the brand name if you want

With no moving parts they are awesome. I made two different version. One uses a float at the backup sensor and the other uses an optical sensor


I like my salinity precise


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