Auto shut off By Chris on 7/2/2016
Chris wouldn't recommend this product to a friend
The float sensor got stuck on and the pump did not turn off. The auto turn off did not work. Luckily the story revisor was almost empty and my tank did not overflow. I don't trust it any more need to upgrade to the one with the optical sensor.
Great nano ATO By Tommy on 6/13/2016
Tommy would recommend this product to a friend
I installed the Tunze nano ATO in my Corallife Biocube 29. I placed it in the 3rd chamber with the return pump. So far it works perfectly. It has helped stabilize the tank and my corals could not be happier. Great little ATO.
Had defective pump By Mike on 4/25/2016
Mike would recommend this product to a friend
My experience is mix. The product works well for 10 days then stopped. Tunze customer service replace the pump and is wrking fine now. Just the trouble of not wrking and having to contact Tunze for replace part.
Works great! By Rachelle on 2/15/2016
Rachelle would recommend this product to a friend
This is a very nice ATO system, it works like a charm and keeps my salinity nice and stable. My only complaint is that it doesn't have a way to keep the pump sitting flat.
Amazing By Jack on 1/14/2016
Jack would recommend this product to a friend
i have been looking for an ato for a while, and i found tunze's products. i didnt really want to spennd $200 on the osmolator, so i tried the nano osmolator. works great, and has an auto shut off just in case it fails. another quality product by tunze
Terrible By Brandon on 8/31/2015
Brandon wouldn't recommend this product to a friend
The reason why the normal tunze osmolator does so well and sells so often is because the eye sensor it has well in this Nano version there's none witch makes this just as good as a lowest model auto top off u can buy for a few dollers or even make not worth it and don't use it trust me
Great Nano ATO By Sterling on 7/23/2015
Sterling would recommend this product to a friend
This is an excellent ATO. I'm new to reefing and everywhere I read ATO's were on top of the suggestion list. I bought this with everything else to setup my new tank and I'm very glad I did. It was easy to setup, works as advertised, and leaves a little footprint. Worth the price and it's one less thing I need to worry about.
Love this thing By AdamNC on 6/29/2015
AdamNC would recommend this product to a friend
Been using it for a few months now with little issues. One issue is with the supplied hose the pump in the reservoir tends to sit sideways. But that's not fault of the actual equipment just the hose. And on a rimmed tank it does make the water line sit about 2-3mm below the rim. Nothing major just a peeve but I'm used to it now. It actually allows me to see that the water line is constant in the tank. Other then those two things I love it. Mechanically I've had no issues.
Should have got this a long time ago. By DadE on 6/26/2015
DadE would recommend this product to a friend
Works great and on my way to a stable reef.
excellent By Redick on 6/23/2015
Redick would recommend this product to a friend
I placed this on a 60 gal. It does exactly what it advertised very very well. An excellent product. East set up and easy to use.