Tunze Osmolator 3 Nano ATO offers Quality, Affordability, and a Five-Year Warranty 

The Tunze Osmolator 3 Nano is the smaller version of the Osmolator 3 Auto Top-Off Device. It’s suitable for aquariums of up to 250 liters (66 US gal.), sticks to 12mm thick glass, and can be used on either sumped…

Tunze Osmolator 3 is Built Upon 40 Years of ATO Innovation

You can’t talk about Auto Top Off devices without talking about Tunze, as it is Norbert Tunze who identified the need for stable salinity in marine aquariums way back in the 1980s and invented the first Tunze Osmotic Regulator as…

Tunze Osmolator 2 Has Been Completely Redesigned

The Tunze Osmolator 2 is the company’s long awaited follow up to one of the most popular auto top-off solutions in the wider aquarium hobby. Power users of the Tunze Osmolator would be hard pressed to find much to improve…

Tunze Osmolator Nano, another new product released at Interzoo

[youtube]http://www.youtube.com/watch?v=uazhVCE8E28[/youtube] The Tunze Osmolator Nano 3152 is the smaller version of the larger Osmolator 3155 from the German company released at Interzoo last week. This version is made specifically for smaller aquariums, around 50 gallons or less, providing what Tunze describes as “processor-based…

Tunze Osmolator magnet holder (3155.600) going for $32.55

We received information about the new Magnets in the Tunze Osmolator 3155. We did a review of the unit a week back and Tunze has gotten back to us with the availability of the new magnets. The magnet holder for…

Review of the Tunze Osmolator 3155 auto top off device with nifty magnet holder

Tunze announced that their Osmolator 3155 would be getting some upgrades, the biggest of which would be a magnet holder system that would allow you to attach it to your sump, or aquarium. Recently I received a review unit to…

REVIEW: Tunze Osmolator Auto Top off Device

If you want a precision auto top off device. You need to check out the Tunze Osmolator. This thing is tough. It’s something I have come to expect from Tunze engineering. Your not going to have to worry about your…

Reef Builders Top 10 Products of 2023

We took an entirely new approach to selecting our Top 10 products of 2023, this time listing each and every product we wrote about and published during the 12 months of last year, but letting our Facebook audience decide on…

Vote for Your Favorite Reef Aquarium Product of 2023

50 new products crossed the Reef Builders News Desk in 2023, and looking through the list there were several major product launches from some of the biggest brands in the saltwater aquarium industry.  In 2023 we saw innovation in pumps,…

Automatic Top-Off Systems, Reservoirs, and Dehumidifiers

One of the crucial aspects of having a successful reef tank is having the tank be as stable as possible and this is especially true in terms of salinity. But when setting up a new system, one of the aspects…