Flipper Auto Top Off is an elegantly designed “Glug Jug”

The Flipper Auto Top Off is a new device that has just been launched by the aquarium scraper people. Like the bottle refill ATOs we’ve seen recently the Flipper ATO doesn’t use any electricity, float switches, optical sensors, or even…

Kamoer ATO One combines optical and float sensors for safety

Micropump manufacturer Kamoer has added a new auto top-off device to its aquarium product portfolio. Named ATO One, this simple device uses a level sensor and a tiny powerhead to deliver fresh water from a reservoir when the main pump…

Smart ATO Nano HOB from Auto Aqua Review

Making up for lost water due to evaporation is one of the most important functions required of saltwater aquariums and there’s a myriad of ways to accomplish this. AutoAqua is one of the companies that’s been the most focused on…

Smart ATO Nano has a Unique Hang On Back Design

The Smart ATO Nano is the latest new form factor from AutoAqua, the company that dove headfirst into shaking up the auto top off device segment of the aquarium market. AutoAqua first made its mark with the very small Smart…

Reefology ATO: Using Float Valves for Auto Top Off

After you’ve learned how to mix proper seawater for your marine/reef/saltwater aquarium, the next most important concept to understand is the management of evaporation, and the automatic replenishment of water lost to evaporation. Whether you have a nano aquarium with…

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…

The Best Auto Top Off Devices For Saltwater Aquariums – Reef Builders Gear Guide

Salinity is one of the most important parameters to maintain in a saltwater aquarium. Throughout the day water evaporates from your tank, but it’s only the freshwater that evaporates, and the salt is left behind. To maintain proper salinity you…

Aqua Medic Refill Fix Nano ATO

Refill Fix is a new low tech device from Aqua Medic that is ‘designed’ to provide a small amount of make up water lost due to evaporation. We would only loosely describe the Aqua Medic Refill Fix as being designed…

Installing a Gravity Fed Auto Top Off System [Video]

Making up for water lost to evaporation is probably the most immediate and frequent ‘chore’ of any aquarium, and since it’s such a simple action it’s one that most aquarists are happy to automate. The need to keep liquid reservoirs…

Top 5 Tips to put a Reef Aquarium on Cruise Control

As long as I’ve been keeping aquariums, I’ve always wanted more than one, or two, or five assorted freshwater, fish, and reef tanks. As you’ve read in the blog and seen in our videos, I also like to travel and…