- Smart ATO Micro 120P - Auto Top Off System - AutoAqua
Now Includes Siphon Break
One of the smallest all inclusive auto top off systems on the market today. The Micro ATO includes an optical water level sensor to keep an eye on the level within the sump with no moving parts. The optical sensor is very reliable, even in complete darkness, keeping a steady water and salinity level replacing any evaporated water with fresh water. The Micro ATO, like its predecessor, uses a magnetic mounting solution that works for tanks and sumps that have up to 1/2" thick walls.
With the possibility of changing the pump for a solenoid valve for direct hook up to a RODI system, the Micro ATO can be expanded to run with the big boys.
An auto top off system is one of the first automated devices any reef keeper should have. When water evaporates, the salt is left behind slowly increasing the salinity of the tank. By utilizing an ATO device evaporated water can easily be replenished by the top off unit throughout the day keeping your tank's salinity very stable. Most of the time the location where the sensors need to be placed can be very limited in space.
AutoAqua has released their Micro ATO system making it the smallest auto top off unit on the market today. The downfall for most top off systems is the float valve or moving parts. AutoAqua utilizes an optical sensor to visually look at the water level. With the magnetic mounting of the optical sensor placement options are limitless while if the magnets are ever to slip or the sensor gets knocked and moved, the Micro ATO provides a real-time fail safe protection against such instances.
The siphon break needs to be mounted higher than the water level, and within the ATO reservoir to function properly. Water dripping out the hole when the pump is on is normal.
- DC Feed Pump
- Siphon Break
- Optical Sensor
- Power Adapter
- Magnetic sensor mount
- Tubing (8.5mm OD - 6.5mm ID)
- Hang on Tubing Mount
- 1 year warranty
- DP-200 Brushless
- 6.5 ft max head height
- 74 GPH
- 4.5w @ 12vDC
- Cord Length 5ft
Awesome Product! By Richard on 11/24/2017Richard would recommend this product to a friendI have run this ATO for over a year now and it has worked flawlessly the entire time. I've even had the pump submerged in my kalkwasser makeup water reservoir for the past six months without any issues whatsoever (I do keep a backup pump on hand though as a precaution). It is installed on my BioCube14 nano mixed reef aquarium and fits very easily which isn't the case with all products due to the unique design of the BioCube. The syphon breaker did have a slight leak initially as observed by another reviewer, but in my case the leak 'mysteriously' stopped after a day or two. The only maintenance I do is to remove the magnetically fastened water level sensor once a month or so and wipe it off with a clean rag just to prevent algae or other 'scummy' substance from coating the surface. There is a built-in overflow prevention mechanism in this ATO, but just as a safeguard I did program my Apex controller to shut-off power to the ATO if the pH rises above 8.3. This only works because I dose kalkwasser for makeup water which increases pH when added to the tank. This has been a very welcome and reliable addition to my setup. If it stopped working tomorrow I'd order another one without hesitation. Happy reefing!
Stuck in on position after one year By Chris on 9/25/2017Chris would recommend this product to a friendHave had the the auto micro for a little over a year. A month ago the blue light stopped working but it continued to work fine however yesterday a little over a year from purchase it got stuck in on position. Thankfully the 3 times last fill save me from water everywhere. Worked awesome when it worked however would have expected it to work longer than it did.
Great product By Kevin on 9/11/2017Kevin would recommend this product to a friendHave have one of these ATO's for my 75 gallon display tank and another on my 200 gallon frag system. One has been in use for over a year the other for six months. Both work as described by the manufacture and I have had no problems with either ATO.
Stuck in "on" By Jon on 9/6/2017Jon wouldn't recommend this product to a friendThis ATO, after 1 year of use, got stuck in the "on" position. The only thing that saved my floors was the 3x filling fail safe.
Pump is garbage By Dirtybirdy on 9/2/2017Dirtybirdy wouldn't recommend this product to a friendI set up this auto top off unit per the instructions, and after only using it for 6 months, I had already burned through two of the pumps. The manufacturer never replied to my emails. Will never purchase from this company again.
Poor product By Fishmankyle on 8/14/2017Fishmankyle wouldn't recommend this product to a friendHad the ATO for one year and three months. Now the ATO will not stop pumping, no matter what I do to it. It is pumping water from my storage container even if the water is covering the eye. Worked well when it worked.
Not reliable - leaking from Siphon Break By Roman on 6/5/2017Roman wouldn't recommend this product to a friendNot reliable, it started leaking from Siphon Break after 2 month of use. My cabined got all corroded. BulkReef supply is very unhelpful and directed me to the manufacture and told me to work with them. Manufacture is not responding to my phone calls. Very disappointed.
I'm not going to be buying staff from bulk reef supply anymore.
Great By Andres on 4/27/2017Andres would recommend this product to a friendWorke great love this ato
Couldn't be easier. By Michael on 3/30/2017Michael would recommend this product to a friendI read a lot of nightmare stories before finally jumping in, and I'm really glad I did. Very small, works well, and so far very reliable. Also a much more approachable price than other brands.
Little sucker gets it done! By wayfastwhytey on 1/21/2017wayfastwhytey would recommend this product to a friendI bought this for my jbj 45rl and it's perfect. The tiny pump has alot of power to pull water almost 6 ft up from floor level.They made this thing idiot proof as well, just plug it in and your set. I would recommend to scoop out some water for the first top off though, because this will be your benchmark setting. The module remembers how long the first top off was and will run 3 min longer than that if need be.
Love this little thing! By Imadoggiefosterfailure on 12/15/2016Imadoggiefosterfailure would recommend this product to a friendI use this on my 180 and it's great! It's tiny, quiet, and accurate. I'm happy!
Best ATO for nano tanks By Tony on 12/5/2016Tony would recommend this product to a friendJust picked this ATO up today and it really so small. And its my option for every nano tank I will ever
setup. (GREAT PRODUCT)
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Can you tell me how much water line drop this sensor gives you before it triggers the filling command? I want to see if it's more or less sensitive than my current ATO system
These ATOs are actually pretty accurate/sensitive to any changes in water level. This ATO uses an optical sensor and a small prism to read the water level and we rarely see more than a small fraction of an inch (perhaps 1/8" to 1/4") before the pump kicks on.
Hope this helps!
You can certainly use this ATO in your display. The sensor uses a small laser and prism and ambient light will not interfere with the unit's function.
Have a great day!