Upcoming Events and Featured Sponsors


November Coral Extravaganza !!!!!!!


It's that time again and we are excited to announce the details of our upcoming fall event..........

What: The 2016 Rocky Mountain Coral Extravaganza
When: SATURDAY, November 19th
Where: Aurora Quest School - 17315 E 2nd Ave Aurora, CO 80011 ‎

Schedule of Events 1:00pm - Doors open to Public 2:00pm - Raffle #1 4:00pm - Raffle #2 5:00pm - Doors Close to Public As always there will be tons of corals, tons of raffles and no shortage of reefer fun!!! ...
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Welcome to MASC!
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May 2010 Monthly Newsletter
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New to our forum? Introduce yourself here!
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Information and announcements about MASC sponsored events.
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Links to forums of other clubs, other reef sites, and aquarium events NOT sponsored by MASC.
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MACNA 2016 Videos Posted Online
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Can you help ID this creature
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Members can post pictures and detailed information about their tanks.
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New to DBTC? Check out the information available here!

We have different sections below to place corals for DBTC, based on its rarity and difficulty level: Beginner, Standard and Extreme. These labels were not put into place to discourage people who are just starting out, but rather to ensure that, for example, a frag of some rare Tyree SPS which normally costs hundreds of dollars is propagated by someone who can and will return at least 2 frags back into the hands of other members who can do the same thing.
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DBTC Rainbow/Rose bubble tip anemone
by Nemesis
This category contains fairly common corals (non rare zoas, xenia, Kenya trees, etc.) These corals are ideal for members new to the hobby, as they grow well in newer systems or low light systems.
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DBTC: Utter Chaos
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This category contains the majority of corals in the program, including SPS, LPS, etc. Members propagating this category of coral have a system capable of handling the coral they are asking for (i.e. established system of 4 months +, and satisfying lighting/water requirements for these corals).
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361 4,902
Purple Digitata DBTC
by DJBM3
This category contains rare or normally very expensive corals (for example, bubblegum watermelon chalice). Members propagating this level of DBTC coral have a system capable of handling any coral they are asking for (i.e. established aquarium with lighting/water parameters suitable for these challenging specimens).
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Adonis dbtc game
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Any other captive-propagated marine life goes here! Algae, snails, crabs, shrimp, fish, anemones, etc...
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(PC!) Gears of War 4 digital copy.
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Coral expressions
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Please read this BEFORE you post ANY information into these forums.
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Study finds stony corals eat plastic!
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Even though we are the Marine Aquarium Society, many of our participants still have freshwater tanks, and are welcome to discuss them here :)
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Large RR very unique glass tank - FREE
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Two "Jumbo" zoa/paly packs for sale
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Providing your salt water aquarium with the finest foods.
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Your fish will go crazy for it!
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These are Featured Sponsors, Society Sponsors without their own forums. Each can have ONE thread here. Threads will need to be approved by a moderator before they display.
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MASC Mission Statement


The Marine Aquarium Society of Colorado is dedicated to the endorsement, education, and fellowship of marine aquarium hobbyists.

We will increase awareness among members and the public of the importance and value of marine ecosystems and their preservation through captive propagation and responsible collection of organisms.

We will deepen hobbyists’ knowledge about the husbandry and study of marine plants and animals, increasing the longevity and well being of the creatures in our care.

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