How to Test Your Reef Aquarium Water (and How Often)
A practical reef water testing routine: which parameters to test, how often, and how to avoid common testing mistakes.
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Powerheads and Flow: Designing Water Movement in a Reef Tank
Why flow matters in a reef tank and how to place powerheads for healthy, debris-free water movement.
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Best Reef Test Kits: Accuracy You Can Trust
The best reef test kits for accuracy you can trust, covering alkalinity, calcium, magnesium, and nutrients.
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Aiptasia and Majano: Removing Pest Anemones
How to identify and remove aiptasia and majano pest anemones before they take over your reef rock.
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The Cleanup Crew: Snails, Crabs, and Hermit Selection
Build a balanced reef cleanup crew of snails, crabs, and hermits that controls algae without harming your tank.
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Why Your Coral Isn’t Growing (and How to Fix It)
Troubleshoot why your coral isn’t growing, from alkalinity swings to light and flow, with fixes that work.
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How Long Before You Can Add Coral to a New Reef?
How long to wait before adding coral to a new reef tank, and the signs that say your system is finally ready.
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Nitrate and Phosphate: Reading Nutrients in a Reef Tank
Why nitrate and phosphate aren’t always the enemy, target ranges, and how to read nutrients in a reef tank.
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Reef Aquarium Lighting 101: PAR, Spectrum, and Coral Growth
Understand PAR, spectrum, and photoperiod so your reef lighting actually grows and colors up coral.
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Best Salt Mixes for Reef Aquariums Compared
The best reef salt mixes compared on consistency, parameters, and value so you can mix water with confidence.
