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Global Discussion

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99
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39
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99

Global Tank Threads

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12
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16
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12
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16

Technical Support

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36
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207
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36
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207

Reefs for Beginners

New to the reef aquarium hobby? Post your questions here and get help from experienced hobbyists.
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7.6K
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83.6K
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7.6K
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83.6K

Advanced Reefs

Reef Aquarium topics for advanced and expert aquarists
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594
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9.8K
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594
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9.8K

Nano Tanks

Nano reef aquarium topics - Small and micro tanks
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390
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5.6K
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390
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5.6K

Equipment

Reef aquarium equipment, drygoods, and systems
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21K
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2.3K
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21K

Controllers & Monitoring

Neptune Apex Aquacontroller, Digital Aquatics Reefkeeper Elite, Seneye, Ecotech, Reef Angel
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8
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37
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8
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37

Filtration

Maintaining higher levels of water quality with filtration equipment
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14
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57
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14
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57

Lights

Reef aquarium lighting, LEDs, Metal Halide, VHO, T5s
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147
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1.5K
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147
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1.5K

Husbandry

Animal Husbandry for reef aquarists
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3
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15
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3
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15

Skeptical Reefkeeping

Live and direct with the resident reefkeeping skeptic
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6
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196
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6
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196

Aquarium Nutrition

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21
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195
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21
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195

Bleeding Edge Reefing

Extreme reefkeeping for daredevil marine biologists
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2
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6
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2
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6

Chemistry

Chemical activities in your reef aquarium and how to understand the chemical processes
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399
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4.3K
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399
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4.3K

Photography

Mastering photographing reef aquarium inhabitants, macro photography, experimental photography
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2.1K
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37.7K
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2.1K
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37.7K

Parasites, Pathogens and Palytoxin

There are many dangerous and strange things in your reef aquarium
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15
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85
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15
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85