Reef AccuDose is TMC’s new programmable dosing pump 

Tropical Marine Centre has upped its dosing game with the launch of the Reef AccuDose programmable dosing pump. Small in size at under 3″ square, this single doser head is seemingly equipped with everything a reefkeeper wants from an auto…

GHL Doser 2.2 Maxi Pricing and Availability Announced

GHL is a company synonymous with automatic dosing using peristaltic pumps with their legendary stand alone doser (unwittingly) becoming the template for the deluge of dosing pump options we have available today. The GHL Doser Maxi was introduced in 2017…

Whimar’s Smart System AWC is a water changer and ATO combined

Italian wholesaler Whimar has an interesting auto water-changing product called the Smart System AWC. Coming in Pro and Lite models, both are complete water level management systems capable of topping up evaporation via an optical sensor and pump but also…

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…

Reef Factory has a Bold Vision for the Aquarium Internet of Things

Reef Factory is a brand new company out of Poland with a very ambitious vision for monitoring the modern reef aquarium. The catalog of Reef Factory devices includes a broad assortment of focused sensors and controllers to keep reef aquarists…

EHEIM Waterrefill Uses Completely External Water Sensor

The Eheim WaterRefill is a boxy looking Auto Top Off kit which could be forgiven for appearing like just another ATO, but it’s actually using a relatively new approach to sensing water level in aquariums. As far as we can tell,…