David Sanchez Posted February 13, 2020 Share Posted February 13, 2020 So I was considering the XP Aqua SUMPLESS AUTO TOP OFF SYSTEM. I have a 55 gallon rimmed tank with no sump. Wanted to see if anyone had any experience with this and what you thought. Also if anyone had a better suggestion for $150 or less. my biggest concern is reliability/ fail safe as I travel allot and leave tank with family to feed once per day. Link to comment Share on other sites More sharing options...
victoly Posted February 14, 2020 Share Posted February 14, 2020 The gold standard for ATOs are the tunzes, specifically the OSMOLATOR UNIVERSAL 3155 AUTO TOP OFF. I know its a bit pricey, but replacing your fish/corals/floor will certainly be pricier. Keep your eyes open for used deals on these, as they come up from time to time. 1 Link to comment Share on other sites More sharing options...
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