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When should I change my saltwater aquarium lights

  Are you wondering: When should I change my saltwater aquarium lights? The answer, of course, is “that depends…” How often you need to change the lights for your saltwater aquarium will depend on a few things: 1)      Whether you have a fish-only or reef aquarium 2)      How many hours you run your saltwater aquarium lights each day 3)      The type (style) …

What does PAR stand for?

What does PAR stand for? PAR is one of the more important factors to consider when considering, comparing, or otherwise evaluating aquarium lighting. The term PAR is an abbreviation for a more scientific sounding term: Photosythetically Active Radiation. You will convince your friends and family of your ‘fish nerd’ status if you drop that little nugget at dinner. You may …

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Reef Aquarium Lighting

Reef Aquarium Lighting One of the most common questions I hear from new saltwater aquarium hobbyists about reef aquarium lighting is, “How much light do I need? Is there a minimum wattage I should consider to keep coral in a reef tank?” I have heard aquarists offer up the advice that to keep coral, they should have between 2 and …

Reef Aquarium Lighting: Color Temperature Experiment Results

Reef Aquarium Lighting: Color Temperature Results  This experiment in reef aquarium lighting was a visual, subjective exercise.  Rather than ramble on describing the differences between the combinations, I will let the pictures do the talking.  You can enlarge any of the pictures by clicking the thumbnail and viewing the full-sized image page.  The intent of this post is to report …

Reef Aquarium Lighting: Color Temperature Experiment Continued

  Reef Aquarium Lighting: Color Temperature Experiment Continued     A continuation of the reef aquarium lighting experiment detailed in the last thread: The color temperature of aquarium lighting is sometimes described in relative terms of ‘warm’ vs. ‘cool’.  Lamps that appear to be subjectively more red or orange are considered to be warmer color temperatures, while lamps that produce …

Reef Aquarium Lighting: An Experiment in Color Temperature

Reef Aquarium Lighting–An Introduction to the Experiment Over the next several blog posts, I’m going to explore the topic of reef aquarium lighting.  For many reef aquarium hobbyists, lighting will be one of the most expensive pieces of equipment in their system.  Lighting is expensive to purchase and to run on a daily basis.  For photosynthetic invertebrates in your tank …