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…

Smart ATO Duo Packs Two Optical Sensors in One Tiny Package

The Smart ATO Duo is a new anti-evaporation device from Auto Aqua which brings even more safety and reliability in this important component of aquariums. The Smart ATO Micro has been such a great top off sensor we’ve been wondering for…

Micom Dosing ATO Is The First Standalone, External Auto Top Off Sensor

The Micom Dosing Auto Top Off is the newest evaporation solution, coming to us from Johnlen of Taiwan. There’s a ton of different auto top off (ATO) devices on the aquarium market these days but the Micom Dosing ATO does…

Smart ATO micro is the smallest optical top off device yet

The Smart ATO Micro is a new optical water level sensor and top off device in one. This new ATO is a miniature version of the Smart ATO released by Auto Aqua just about two years ago. Like the Smart ATO, the…

Sanyo VPC-CA102YL waterproof HD camcorder, getting up close and personal in your reef

Waterproof cameras aren’t anything new but with the amount of HD punch packing in smaller forms cameras like the new Sanyo VPC-CA102YL waterproof camcorder are bringing an affordable, handheld HD camera giving you the ability to get right inside your…

GHL ProFilux external level sensor

GHL has be sporting their new product cachet as of late, with the impending release of their popular ProFilux series of aquarium controllers. We haven’t seen anything yet about the external appearance of this new device but we found something…

Pacific Sun Sentry ATO now available

The Pacific Sun Sentry ATO is another option for those of you looking for an upgrade to your auto-topoff control system. Coming in two different models to tap into a pump or to connect directly to your RO/DI system, the…

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…

HM Electronics Coral Doser Revealed in Video

The Coral Doser is a new peristaltic dosing pump from HM Electronics which is a new product category for the Taiwanese company. You may not be entirely familiar with HM Electronics but they’ve developed many innovative LED aquarium lights like…

API AquaSpin – More Details About The Automated Testing Machine

The API AquaSpin is a new device to the reef aquarium hobby-industry that we first wrote about a couple weeks ago. Since then we’ve learned a whole lot more about the device, its origins, the original equipment manufacturer, and some…