4.450328

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Highlights
The algorithms used to provide these results are constantly improving. These results might change.

Quality


Extremely satisfied with their customer service and top quality product!


I am using it with the tunze calcium dispenser 5474 and it has been working great for me.


I didn't have this issue with the micro ato that i am running on a smaller tank.


The optical sensor works well and the float sensor is an effective backup.

Price


The price is hefty, but it's worth it for piece of mind.

Competitiveness


Also helps keep my protien skimmer from malfunctioning.


I’ve tested this thing like crazy before i let it run on my $2500 reef tank and works like a champ.


The tunze auto top off works great.


I'm changing my review from 1 star to 4 stars due to tunze customer support being awesome.

Overview
  • How are reviewers describing this item?
    level, great, set, far and good.
  • Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
  • Our engine has discovered that over 90% high quality reviews are present.
  • This product had a total of 328 reviews as of our last analysis date on Feb 23 2022.
Details

BETA

The algorithms used to provide these results are constantly improving. These results might change.

Most positive reviewquestion

Makes my life so easy when it come to topping off the tank never need to worry about running out of water

Most authentic reviewquestion

I gave this 4 out of 5 when in reality it should be 4.5 stars. I'll explain that in a bit.There is a lot to like about his ATO...  Read More


Helpful Insights

BETA

The algorithms used to provide these results are constantly improving. These results might change.

    Posted by a reviewer on Amazon

    Ya - that’s how i was with this.


    Posted by a reviewer on Amazon

    The pump died after a month and a half.


    Posted by a reviewer on Amazon

    They responded to my email very quickly and asked me to try a few things to fix the problem.


    Posted by a reviewer on Amazon

    I will say that you have to move the unit in tiny increments to get it to exactly where you want it.


    Posted by a reviewer on Amazon

    This is my second set of this product, sadly the first ones sensor stopped working for some reason.


    Posted by a reviewer on Amazon

    It’s been up and running on our red sea max 650s since a week after the order arrived.


    Posted by a reviewer on Amazon

    There is only one design problem that i've encountered so far: the unit always runs the pump when power is applied, even if the water level is correct.


    Posted by a reviewer on Amazon

    I have to disconnect the pump power wire whenever turning on the unit to prevent it from pumping 10 seconds worth of ro water into my tank.

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