Feature Article: Quantitative Comparison of Lighting Technologies: Metal Halide, T5 Fluorescent and LED
Based on this quantitative data, is its quite obvious that the LEDs have come of age in providing a viable solution to lighting reef aquaria.
Feature Article: Elemental Analysis of Skimmate: What Does a Protein Skimmer Actually Remove from Aquarium Water?
Department of Chemistry, The Pennsylvania State University, University Park, PA 16802. The chemical/elemental composition of skimmate generated by an H&S 200-1260 skimmer on a 175-gallon reef tank over the course of several days or a week had some surprises.
Product Review: Reefing like it's 1999: How Reef Aquarium Flow and Lighting has Changed Over the Past Decade
Jake takes a walk down memory lane recounting how lighting and water flow has changed over the last ten years in the reef aquarium hobby.
This article presents a review of the spectral analysis and light output of these lamps when used with a wide variety of ballasts.
Department of Chemistry, The Pennsylvania State University, University Park, PA 16802. Many factors contribute to the 'value' of a skimmer to an aquarist, including quality of construction, size, footprint, noise level, ease of cleaning, energy efficiency of the pump, and of course, the ability to remove organic waste from aquarium water.
Here, we report the effects observed before and after two monthly water exchanges and discussion the results' implications.
Dana details different techniques and items you can use to make various devices for your next aquarium project.
In a day of product hype and hyperbole, it is refreshing to find a product that delivers more than it promises. Our testing found that the MP10 maximum flow rate exceeded the manufacturer's claim, and all other advertising points were reasonable.
Terry discusses common types of filtration found in reef tanks.
The first 6 months of 2009 have been one of the most exciting periods for the release of new reef aquarium products.
In Part 1 of this article, we go over the basics of heat transfer theory as applied to aquariums.
Feature Article: Environmental Stability: Nature v. Aquarium: Photosynthetically Active Radiation, Ultraviolet Radiation, Dissolved Oxygen, and ORP, Part 2
We'll resume our discussion of various physical parameters beginning with Photosynthetically Active Radiation, or PAR, followed by UV Radiation, Dissolved Oxygen, and finally ORP.
It is vitally important that we supply our critters with water that is constantly well oxygenated through aeration and or circulation.
This article reviews the new series of electronic ballasts recently introduced by Lumatek, Sunlight Supply - Galaxy Electronic Ballasts, and Proline's Vertex electronic ballasts.
Feature Article: A Different Look at Lighting: Effects of Prolonged Photoperiod, Spectral Quality, and Light Dosage
Some reef aquaria 'experts' have suggested that we understand all we need to know about lighting of reef aquaria. This article will suggest otherwise.
Product Review: T5 Fluorescent Lamps: UV Lighting's 'Super Actinic,' 'Actinic White,' and 'Aquasun' High Output T5 Lamps
This month we'll begin an examination of T5 fluorescent lamps in general and then scrutinize several lamps manufactured by UV Lighting Company.
James gives us an overview of some of the things that can kill tridacnids, most of which aren't so mysterious.
Reflector design for reef aquariums has improved considerably allowing for more efficient use of light. With these reflectors we can now light reef aquarium with fewer lamps, get deeper light penetration over larger areas.
Feature Article: The Development of a Method for the Quantitative Evaluation of Protein Skimmer Performance
Department of Chemistry, The Pennsylvania State University, University Park, PA 16802. Protein skimmers have become indispensable for many aquarists who strive to maintain the high water quality necessary to keep stony corals.
Feature Article: How to Make Corals Colorful, Part One: New Information, With Particular Attention to Blue-Green Fluorescent Pigments
Light intensity and its spectral characteristics play important parts in promotion of coral coloration.