Auto Top Up Failed Again :(

[martinmcnally]

Originally Posted by shiftline

I just build my own digital one with dual optical sensors for extra reliability



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

[lastlight]

i'm shocked the tunze pump has failed for you like that. i never let mine run dry which i think is the key and all the ones i've run over the years have worked flawlessly.