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…

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,…

HydroFill Ti ATO Reservoir Now in a New 15 Gallon Size

Compensating for evaporation of aquarium water is one of the more important aspects to maintaining proper reef aquarium salinity. The reef hobby has experienced an explosion of ATO solutions from a number of companies but the reservoir to supply this…

EasyTank Is an ATO For Tiny & Nano Reefs

If you’ve never heard of a ‘glug jug’ then you are lucky to be experiencing reef tanks in our current golden age. But back in the olden days, well before there were any top off devices besides mechanical float valves,…

Neptune Systems Auto Top Off Kit Now Available

The new Auto Top Off Kit from Neptune Systems has to be one of the most comprehensive evaporation countermeasures ever devised for the aquarium hobby. There’s been a ton of different auto top off solutions offered to the aquarium hobby in…

Saltwater Aquarium Maintenance: Topping Off Your Tank With Freshwater

Aquarium Maintenance: Topping Off  When water evaporates from your saltwater aquarium, only the fresh water evaporates, and the salt is left behind. In order to maintain a consistent salinity level, we must top off our tanks with fresh water. There are two ways…

HydroFill Ti Reservoir from Innovative Marine

The HydroFill Ti Reservoir is a new top off box from Innovative Marine that we dare describe as innovative. This five gallon container is made from a combination of glass and acrylic, with some handy features to make it more useful…