Salty Q&A: Is RO/DI Water All It’s Cracked Up to Be?

Question I’ve been keeping saltwater aquariums for five years, and in all that time I’ve never used RO/DI water for top offs or mixing up clean salt water. I just use tap water treated with a dechlorinator / dechloraminator, and I’ve never had any problems. Could it be that people are exaggerating the benefits of … [Read More]

Reef Aquarium Carbon Dosing Clarified

Carbon dosing is a relatively new phenomenon in the reef aquarium hobby. The first I heard about it was around two years ago, and I hadn’t given it a whole lot of thought until recently. The goal of carbon dosing is to improve water quality by lowering nitrates and phosphates. Nitrates and phosphates can lead … [Read More]

GFO for Reef Aquarium Phosphate Control

Granular ferric oxide, or GFO, is a widely used form of chemical filtration in the reef-keeping hobby today. Chemical filtration, as the name suggests, purifies water by binding up impurities at the molecular level. As water is sent through the medium, the surface of the medium forms chemical bonds with dissolved compounds, thus removing them … [Read More]

Salt Smart Tips for Soothing Those Hair Algae Headaches

Of all the irksome algae that can take hold in a saltwater aquarium, hair algae probably causes hobbyists more consternation than any other. So named for its hair-like, furry, or feathery appearance, this filamentous algae (for the sake of simplicity, I’ll use “algae” for both the singular and plural forms of the noun) is primarily … [Read More]

BGA Battle Plan: Controlling Cyanobacteria in Saltwater Aquariums

You’re relaxing in front of your saltwater aquarium, enjoying the beautiful undersea vista you’ve created when you notice a few red, algae-like patches on your live rock that weren’t there before. You reach into the tank and give one of these growths a few taps with your finger and notice that it feels rather slimy … [Read More]