UPCOMING EVENTS                
      Featured Sponsors      
  • 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.
  • Poll

  • Most Recent Platinum Sponsors Activity


  • Facebook

  • Top 10 Most Currently Active Threads


    Acro grow i

    Thread Starter: sethsolomon

    Official Acropora Growout Contest Thread Rules: To enter, a contestant must post a picture of their fragment of coral with a piece of paper...

    Last Post By: quillin35 9 Hours Ago Go to last post

    Syn's 75 bowfront tank buld

    Thread Starter: SynDen

    So here is my tank, figured it time I post some pics of it. Its a 75g bowfront with a 20g sump/refuge with deep sand beds. It has been up around...

    Last Post By: MuralReef 22 Hours Ago Go to last post
    CRW Reef


    Thread Starter: CRW Reef

    Aurora Quest School When: Saturday NOVEMBER 21 Where: Aurora Quest School - 17315 E 2nd Ave Aurora, CO 80011 ‎CLICK HERE FOR MAP Cost:...

    Last Post By: samking 4 Hours Ago Go to last post

    Permanent scaping

    Thread Starter: Balz3352

    How many of you guys (especially those with bigger reefs) permanently scape. And what do you use? Epoxy, acrylic rods? Opinions? Would you...

    Last Post By: just_tim 35 Minutes Ago Go to last post
    Tripple T

    72" Current Outer Orbit HQI+T5+LED --$600

    Thread Starter: Tripple T

    Fixture has 3 x 250 watt hqi halides + 8 x 39 watt T5's + LED moonlights. Comes with basically new galaxy ballasts (turned on a few times to test...

    Last Post By: zombie 8 Hours Ago Go to last post

    Black Friday 2015

    Thread Starter: TheRealChrisBrown

    I thought that maybe we could start a thread for good Black Friday/Cyber Monday deals you find around town or on the interwebs. If you find...

    Last Post By: MuralReef 18 Hours Ago Go to last post

    Blue Tang

    Thread Starter: timnem70

    Have a beaytiful, healthy Tang I would consider trading for some Zoas, BTA Etc. She is beginning and probably already outgrown the environment and I...

    Last Post By: timnem70 16 Hours Ago Go to last post
    Walter White

    Extreme macro

    Thread Starter: Walter White

    I have been practicing my "extreme macro" quite a lot lately. I really want my next lens which has 5x the magnification of my current 100mm 1:1 macro...

    Last Post By: Walter White 20 Hours Ago Go to last post

    Zoa Package auction!!

    Thread Starter: ReeferMatt

    Up for auction is a package of zoas, this auction will end on Saturday nov 28th at noon and 5 min will be added to the last bid to discourage...

    Last Post By: Kluker589 16 Hours Ago Go to last post

    Sea World Orca Tanks Begin Transition

    Thread Starter: Miah2bzy

    Saw this article on Reefbuilders and thought it was worth sharing. :) Seaworld Overhauls Tanks, Begins Transition

    Last Post By: samking 4 Hours Ago Go to last post
  • Stats

    Number of Members: 3,446
    Total Threads: 29,089
    Total Posts: 354,544
    Currently Online: 240

    Newest Member: BennieBart