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Manhattan Reefs
General Reef Topics
General Discussion
All the reef talk you can handle.
- Threads
- 70.9K
- Messages
- 694K
Reefs for Beginners
New to the reef aquarium hobby? Post your questions here and get help from experienced hobbyists.
- Threads
- 12.6K
- Messages
- 121.3K
Advanced Reefs
Reef Aquarium topics for advanced and expert aquarists
- Threads
- 608
- Messages
- 9.9K
Nano Tanks
Nano reef aquarium topics - Small and micro tanks
- Threads
- 1.6K
- Messages
- 17.9K
Tank Threads
A place for our members to show off all their hard work. Start your own tank thread today!
- Threads
- 3.4K
- Messages
- 112K
Chemistry
Chemical activities in your reef aquarium and how to understand the chemical processes
- Threads
- 707
- Messages
- 5.8K
Identification
What is that thing in my tank?
- Threads
- 2.4K
- Messages
- 17.7K
Coral, Rock and Sand Hitchhikers
A forum where you may post your pictures and descriptions about flora and fauna you find in your tank. Find answers to the eternal questions of "What the heck was THAT?" and "What just bit me?"
- Threads
- 1.9K
- Messages
- 10.6K
Photography
Mastering photographing reef aquarium inhabitants, macro photography, experimental photography
- Threads
- 4K
- Messages
- 50.5K
- Threads
- 5
- Messages
- 31
Saltwater Fish
- Threads
- 174
- Messages
- 1.1K
Captive Breeding
A forum to discuss and learn about propagating corals and other invertebrates as well as captive breeding of marine fish.
- Threads
- 1
- Messages
- 3
Corals and Invertebrates
Soft Corals
Xenia, Sarcophytons, Leather Corals, Clove Polyps
- Threads
- 65
- Messages
- 471
High End Coral
Expensive, Rare, and One of a Kind Corals
- Threads
- 8
- Messages
- 62
Coral Farming
Coral farm design, techniques, and guidance
- Threads
- 1.3K
- Messages
- 13K
Invertebrates
Spineless Animals are our friends
- Threads
- 328
- Messages
- 1.7K
Technology
Lighting
Reef aquarium lighting, LEDs, Metal Halide, VHO, T5s
- Threads
- 202
- Messages
- 3.5K
Filtration
Maintaining higher levels of water quality with filtration equipment
- Threads
- 54
- Messages
- 613
Controllers & Monitoring
Neptune Apex Aquacontroller, Digital Aquatics Reefkeeper Elite, Seneye, Ecotech, Reef Angel
- Threads
- 16
- Messages
- 88
DIY (Do It Yourself!)
Build your own reef aquarium equipment
- Threads
- 3.1K
- Messages
- 28.6K
Aquarium Science
Skeptical Reefkeeping
Live and direct with the resident reefkeeping skeptic
- Threads
- 6
- Messages
- 199
Parasites, Pathogens and Palytoxin
There are many dangerous and strange things in your reef aquarium
- Threads
- 28
- Messages
- 210
Bleeding Edge Reefing
Extreme reefkeeping for daredevil marine biologists
- Threads
- 2
- Messages
- 6
Coral Biology
Online course and forum for topics related to Coral Biology. Class originally presented by Eric Borneman
- Threads
- 357
- Messages
- 1.6K
Science
Scientific discussions about reefs and reef aquariums
- Threads
- 11
- Messages
- 18
Related Topics
Freshwater
Aquariums without salt
- Threads
- 533
- Messages
- 5.5K
Aquarium Industry
Reef Aquarium Industry topics
- Threads
- 1.7K
- Messages
- 39.6K
SCUBA
SCUBA Destinations and Training
- Threads
- 3
- Messages
- 31
Regional Reefs Tri-State and New England Reef Aquarium Discussion
Marketplace
Reef Aquarium Marketplace
For Sale/For Trade
Post your items For Sale / For Trade
- Threads
- 81.6K
- Messages
- 612.5K
Want to Buy
Post items that you are looking to buy from other local members.
- Threads
- 29.1K
- Messages
- 111.7K
Group Buys
Group Buys Organization Forum
- Threads
- 523
- Messages
- 16.2K
- Threads
- 4.2K
- Messages
- 20K
Vendor Forums
Personal Forums for Reef Vendors
- Threads
- 7.7K
- Messages
- 39.6K
