Tends to stick By David on 4/13/2013
David wouldn't recommend this product to a friend
For the money it is an ok ATO however the floats tend to stick and will mess with your salinity. I had to put both floats in the sump as a safe guard so that if one float fails the other will turn off the ATO. I have had multiple instances were it has nearly overflowed my sump.
Good, simple ATO By bruce on 4/13/2013
bruce would recommend this product to a friend
The JBJ A.T.O. system is a good, simple auto top system. I have been using it with absolutely no problems. My only complaint is I wish there were more mounting options included with the sensors. I think if you are using a traditional system, you would have no problem. My water storage is a little unique, so I had to modify the sensor bracket.
Worth the money By Chavinpat on 4/8/2013
Chavinpat would recommend this product to a friend
I love JBJ product. This ATO is well designed and easy to set up. I will order another to use from my freshwater tank.
I have had the unit work well in my 20 gal nano tank but sometimes the sensor gets invaded by a snail and causes the tank to overfill and my salinity goes to crap! By Louy on 3/27/2013
Louy would recommend this product to a friend
What this unit really needs is a way to double up on the fill sensors. That way if a snail gives one a ride it would not cause the tank to overfill and ruin your salinity. In other words, the unit would have to recognize when both sensors are calling for top off water to come on.
well worth the money By Chris on 3/25/2013
Chris would recommend this product to a friend
well constructed, and love the ability to use in many different ways.. I can't believe, I went so long with out one...lol
Simple By Ryan on 3/21/2013
Ryan would recommend this product to a friend
The JBJ ATO is a very simple design. It has a nice looking control module that nicely mounts to the inside of my tank stand, hidden but still up off anything that might get wet. The only drawback I had was that there was no good way to mount one of the sensors in my RODI reservoir so it kind of just floats around in it.
Grea, with small set-back By Tommer on 3/12/2013
Tommer would recommend this product to a friend
This is a great ATO switch. The only thing that I don't like is that the ATO checks every ten seconds to see if it is full and then turns off. So on a smaller tank that not turning off for possibly 10 seconds might cause salinity swings.
Works Perfectly By djwally13 on 3/11/2013
djwally13 would recommend this product to a friend
I installed the JBJ ATO over the weekend, it doesnt come with a pump so I purchased a Toms Aqua lifter pump from my local fish store. The unit works perfectly, I check my water level every morning and the level is always at the line I drew on the side of my sump.
Worth the $ By shirtlessbill on 3/1/2013
shirtlessbill would recommend this product to a friend
pretty simple idea and thus simple enough to instal. The only complaint I have with this is there arent any instructions in the manual describing the level at which the floats are activated. took me a few minutes to find the "sweet spot".
Other than that this has been a worthy purchase. keeping my SG steady as opposed to dumping a gallon of water everyday is the first step in keeping a healthy reef. Many thanks to JBJ
Good item By Jeremy on 2/2/2013
Jeremy would recommend this product to a friend
I like this unit a lot. Makes it easy to use and also a must if you have a sump.
Simple top off By Thomas on 1/8/2013
Thomas would recommend this product to a friend
I have had this on one of my tanks with a Toms aqualifter for about 1 year now. Has always worked flawlessly, the aqualifter is a perfect pump for it as its quite,doesnt back siphon, there is no danger of burning it up either. the JBJ controller is easily adjusted for sump level and pump maximum run time.I Would recommend this for anyone looking for a reliable auto top off system
Cheap, reliable and works By Kyle on 1/2/2013
Kyle would recommend this product to a friend
Way cheaper than competition but does not show in its quality. Works great so far and does what it needs to do..top off.