Baos Posted February 5, 2018 Report Share Posted February 5, 2018 I installed a sump for my freshwater aquarium. My trees now enjoy watering from my tank and cycling back into the tank. But, due to evaporation I fear the sump could potentially run dry while the pump is still going. In about 9 months I will be away for a few weeks. Is there some sort of pump shut off switch? I am sure there must be some pumps with this switch built-in? Quote Link to comment Share on other sites More sharing options...
jvision Posted February 6, 2018 Report Share Posted February 6, 2018 If you do a bit of research on the salt water forums, you'll find your answer. There are devices called Auto Top Off (ATO). Quote Link to comment Share on other sites More sharing options...
Baos Posted February 7, 2018 Author Report Share Posted February 7, 2018 (edited) https://www.wholesalepumps.com/beckett-m250as-auto-shutoff-290-gph/ This is an interesting one with a shutoff built into the pump. I'm not entirely liking the salt water options I have found as a float valve could potentially have roots grow into it. Also I'm not topping off, I am trying not to run dry. Edit: the pump has incredibly terrible reviews https://www.homedepot.com/p/Beckett-250-GPH-Auto-Shut-Off-Fountain-Pump-M250AS/204670887 Edited February 7, 2018 by Baos bad reviews on cited product. Quote Link to comment Share on other sites More sharing options...
BearBarry1 Posted February 7, 2018 Report Share Posted February 7, 2018 https://www.amazon.ca/Little-Giant-Horsepower-5-ASP-LL-Submersible/dp/B000JGD2VO I use this in a pail when I do water changes Quote Link to comment Share on other sites More sharing options...
Baos Posted February 11, 2018 Author Report Share Posted February 11, 2018 I have noticed many pumps have an auto-off. Some pumps call it safe-stop, others call it thermal off. I will probably try a different home depot pump. https://www.homedepot.ca/en/home/p.200gph-statuary-fountain-pump-for-water-features.1001010051.html Only looking for 200gph max at about 5' My water loss is higher than anticipated, so I will likely do an auto top off from my ro system at some point. Quote Link to comment Share on other sites More sharing options...
BearBarry1 Posted February 12, 2018 Report Share Posted February 12, 2018 You can just pick up the float valve/auto shutoff and use any pump. Quote Link to comment Share on other sites More sharing options...
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