Gobies and Blennies: Small Fish With Big Personalities
Gobies and blennies bring big personality to small reef tanks, here is how to choose and keep them happy.
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Zoanthids and Palythoa: Care, Color, and Safety
Zoanthid and Palythoa care: lighting, flow, color, and the palytoxin safety every reefer should know.
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Bacteria in a Bottle: Do Cycling Starters Actually Work?
Do bottled bacteria cycling starters actually work? What the science says and how to use them without false confidence.
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Dosing for Reef Tanks: Two-Part, Kalkwasser, and Balling
Compare two-part, kalkwasser, and Balling dosing methods so you can keep reef chemistry stable as coral demand grows.
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Live Rock vs. Dry Rock: Building Your Reef’s Foundation
Live rock or dry rock? Compare cost, pests, cycling speed, and biodiversity to build your reef foundation right.
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Best Wavemakers and Powerheads for Reef Flow
The best wavemakers and powerheads for reef flow, matched to tank size for healthy, controllable water movement.
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Reef Tank Pests: Flatworms, Bristleworms, and Bugs
A field guide to common reef tank pests, flatworms, bristleworms, and bugs, with which to fear and which to ignore.
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Tangs in Reef Tanks: Tank Size, Diet, and Aggression
Keeping tangs in reef tanks: realistic tank sizes, herbivore diet, and how to manage their famous aggression.
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Coral Coloration: Light, Nutrients, and the Science of Pop
The science behind coral coloration: how light, nutrients, and pigments combine to make coral pop with color.
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Adding Your First Fish: Stocking Order for a New Reef Tank
A smart stocking order for a new reef tank so you add fish in a sequence that minimizes aggression and risk.
