Aquatic creatures, with the exception of mammals, are all cold-blooded animals. Some sharks and tuna slightly warm their blood through the movement of their muscles, but we don’t normally keep pelagic sharks or tuna in our tanks, so we don’t…
Equipment
Why it Pays to Plan Your Marine Aquarium Based on Mature Fish Size
You’re shopping at your LFS when you come across a juvenile specimen of a fish you’d love to buy but know you don’t have the tank space to accommodate once it reaches maturity. To justify the purchase, you think to…
Do You Need a Chiller for Your Marine Aquarium?
In a previous post titled “Turning Up the Heat on Tropical Saltwater Aquariums,” I explained that it’s important to maintain a stable water temperature somewhere in the range of 76° and 80°F in marine tanks, and that using a quality…
5 Marine Aquarium Misconceptions I No Longer Espouse
Casting my mind back on my early days as a marine aquarium keeper, it’s funny how some of my stances on various aspects of the hobby have, shall we say, evolved in the intervening years. Of course, these changing opinions…
My Top 6 Simple Accessories Repurposed for Marine Aquariums
Visit your local fish store, and you’ll see shelf after shelf of equipment, implements, doodads, and thingamabobs specifically designed to make the maintenance of marine aquariums more manageable. But when you really think about it, a lot of the handy…
Making the T5 Changeup in Reef Aquarium Lighting
Recently, Paul Grant decided to switch up the lighting on his 240-gallon custom reef tank. Originally, five Aquaillumination Vega Color fixtures were used to power his SPS-dominated reef. He decided to make a changeover to an ATI Powermodule. The Powermodule…
How to Reduce the Risk of Flooding with Hang-on-Back Overflows
Marine aquarium hobbyists whose tanks didn’t come with a built-in overflow or can’t be drilled to accommodate one (i.e., those made of tempered glass) sometimes choose to use a siphon-based hang-on-back (HOB) overflow to feed water from the aquarium to…
Don’t Let the Water Flow Slow in Your Marine Aquarium
We’ve mentioned several times here at Saltwater Smarts how the output of reef aquarium lighting gradually and imperceptibly shifts away from the desired level over time. But did you know a very similar phenomenon can occur with the rate of…
Good Reasons to Use a Refugium in Your Reef System
A refugium is a safe haven for algae and invertebrates in a separate tank from the main display aquarium. These organisms provide some distinct advantages to the overall health of a reef aquarium. First off, the critters breeding in the…