Category Archives: Advice

Ozone and Ozonizers

It has long been recommended that ozone be used in marine tanks for many reasons including its ability to kill many pathogens and make the water crystal clear. Ozone (O3), which is an unstable form of oxygen, acts by oxidizing with (giving up an oxygen molecule to) anything that it comes in contact with. In […]

Reef Tank Lighting

Unlike most other topics in the hobby, lighting remains a very controversial and often misunderstood subject. This is because there are so many good options available to light a reef tank, and how a tank is lit depends not only on its size, but also what is going to be kept in it. It is […]

Reef Tank Water Testing

In order to ascertain how a reef tank is doing it is necessary to do water testing. Unfortunately the testing aspect of maintaining a marine aquarium is often overlooked. This may be due to fear of complicated tests or that a degree in chemistry is necessary in order to do a proper test. Fortunately, testing […]

Aquascaping the Reef Aquarium

The landscape of a reef aquarium is not merely one to engage the senses, although aesthetic function is certainly important to the tank keeper. Aquascaping in reef aquaria is primarily based around the structure of live rock and often sand substrate. In the past, it was suggested that up to 2 pounds of live rock […]

An Introduction to the ‘Great Substrate Debate’—Plenums, DSBs & Barebottom Aquaria in a nutshell

One of my favorite authors used to quote the old adage ‘there are 37 different ways to skin a cat’. In the reef keeping hobby this adage is axiomatic. Given that every single tank is slightly different from any other in methodology used, in how each develops biologically, chemically, and physically, that adage is an […]

Water Changes (In Detail)

The topic of water changes for a saltwater aquarium is still a topic that generates a great deal of debate. Part of this is due no doubt to wishful thinking, part due to claims by some hobbyists that they have never done a water change and part due to there being no hard and fast […]