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Tunze Osmolator Universal 3155 Auto Top Off

Tunze Osmolator Universal 3155 Auto Top Off
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  • Tunze Osmolator Universal 3155 Auto Top Off
  • Tunze Osmolator 3155

Tunze Osmolator Universal 3155 Auto Top Off

SKU: 202307
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$209.99
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  • Best ato By Mike on 3/29/2015

    I pick this unit up two years ago on Black Friday and it's been running like a champ since. as the BRS YouTube video indicates the laser as well as the mechanical part of this provides a great backup is fairly easy to put together which sometimes is in the case with Tunze Products but this is been doing the job for two years.
  • Works perfectly By Chris on 3/27/2015

    I love this thing. It works perfectly and has never failed. Not much else to say than that.
  • eliminated manual topoff By Greg on 3/23/2015

    I like it So far no issues. The reviews were good. Instead or trying something I am usually using others experiences to save me the anguish of poor decisions
  • A necessity By JonnyReefer on 3/19/2015

    It's so nice not having to get 3 half-gallon cups per day and bend down to refill my sump. And no more micro-bubbles! Although the little nut&bolt that holds the output line to the tank attachment was a PITA to get on, it was a breeze to set up.
  • ato By luis figueroa on 3/19/2015

    bought my first ato about two weeks ago and I must say its been the best purchase ive ever made in this hobby. keeps water level and stability in parameters. so far so good.
  • tunze 3155 By Derek on 3/18/2015

    I love this thing. no more worries when im not around for a few days. works excellent just as expected from tunze. easy to set up
  • Easy to use and no need to worry about your tank By Hamad on 2/28/2015

    It saved my time and i do not need to manualy add water. i used it for 200 gallon tank. Thanks BRS
  • Super Product By RDM on 2/20/2015

    This was easy to setup and get working. I never realized how much I hated having to manually top off my water until I put this in my system. Now I just check my water levels and the fresh water supply and this takes care of adding water as and when it's needed.
  • EASY and works great By Jeffrey on 2/15/2015

    So far so good ! Have this set up on roughneck bin I'm using to cure my dry rock in. Works perfect and secondary safety offers great piece of mind. In the room one day when pump came on.. manually lifted float and audible alarm sounded and pump shut off. Very comforting to have a piece of equipment like this that is looking out for me ! If you are on the fence, JUST GET IT, you won't be disappointed.
  • fantastic ATO By Hawrasser on 2/11/2015

    this ATO is great. keeps the water level in my sump constant. the only thing i would change is to make the amount of travel on the floating switch a little bit larger. if i turn on my protein skimmer it will sound the alarm but my skimmer is also huge haha

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