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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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  • Most Recent Forum Topics of Discussion

    Haddonisreef

    Peak a booo

    Thread Starter: Haddonisreef

    Last Post By: Haddonisreef 16 Minutes Ago Go to last post
    cubuffs

    Looking for a Fantasy Football League to Play In.

    Thread Starter: cubuffs

    Hello,

    I want to see if anyone has a league that they need an extra person to join in on. OR, can we get enough interest in a league created

    Last Post By: cubuffs 21 Hours Ago Go to last post
    Nemesis

    WTT RBT Anemone

    Thread Starter: Nemesis

    Looking for a small colony of pulsating xenia to trade for a rose buble tip anemone rock.The rock is about 3in wide and 7in long.


    Last Post By: lesserwhirls 22 Hours Ago Go to last post
    rplank

    90-75 combo

    Thread Starter: rplank

    Finally my tank build is done. Here's what I have....

    I had a diy 75g AIO that I picked up from CL last December. The back 6" is sectioned

    Last Post By: sethsolomon 2 Hours Ago Go to last post
    damontoy

    Cloudy water

    Thread Starter: damontoy

    Looking for the cause of cloudy water. 92 gallon RR with sump and refugium. Kessil lights life reef protein skimmer. 4 small fish. It's been like this

    Last Post By: Dr.HarlemTutu 3 Hours Ago Go to last post
    deboy69

    Wtb rio 2100 impeller or submersible pump

    Thread Starter: deboy69

    My rio 2100 impeller broke today and it's almost as much as a new pump to replace it. Does anyone have a rio 2100 impeller and shaft or a submersible

    Last Post By: deboy69 1 Day Ago Go to last post
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  • Top 10 Most Currently Active Threads

    Dr.HarlemTutu

    The Dr. Has gone insane Re-build

    Thread Starter: Dr.HarlemTutu

    So, after the crash I did some serious thinking about what I want in my home. My wife encouraged me to get my dream tank that'll fit into our home...

    Last Post By: sethsolomon 3 Hours Ago Go to last post
    sethsolomon

    Seth's 150g DD SPS dominant reef

    Thread Starter: sethsolomon

    So finally found a good size tank for me and going to start the build thread up. I have a pile of equipment and a sump to build but I am hoping to...

    Last Post By: sethsolomon 44 Minutes Ago Go to last post
    mbaeza64

    Thinking of buying a dosing pump.

    Thread Starter: mbaeza64

    I have a 150 gallon tank with a bunch of LPS corals and some SPS corals so I never had one before so what do you guys recommend? What should I dose?...

    Last Post By: zombie 19 Hours Ago Go to last post
    Rumen

    Auction auction auction !!!!!

    Thread Starter: Rumen

    Starts now ends Sunday the 2nd at 10pm last highest bid wins.. All proceeds will be going to masc so show your love and bid..I'll get more pictures...

    Last Post By: SilverSurfer 3 Hours Ago Go to last post
    Catfish Charlie

    Lots of Clownfish and more at Stone Aquatics!

    Thread Starter: Catfish Charlie

    Stone Aquatics 3437 So. Broadway Englewood, CO Phone - 720-526-9177 Clownfish and more Clownfish at Stone Aquatics! Here is what else we...

    Last Post By: Catfish Charlie 12 Hours Ago Go to last post
    reeftankulous

    WTB 200-250 gallon rated skimmer

    Thread Starter: reeftankulous

    Thinking about upgading my skimmer. With increased bio load in my tank my 150 gallon rated reef octopus is falling a bit short. Please let me know if...

    Last Post By: reeftankulous 2 Hours Ago Go to last post
    zombie

    Zombies getting out thread

    Thread Starter: zombie

    So I decided to get rid of all my equipment for the time being so I can focus on looking for a house and taking care of it for a while. Below is all...

    Last Post By: alphapuck5280 11 Hours Ago Go to last post
    Tango

    90 gallon upgrade build

    Thread Starter: Tango

    I have a 75 gallon rr tank with a fluid designers sump. I picked up a stand from another memeber that i think was to a 90 gallon. I was gonna just...

    Last Post By: SkyShark 2 Hours Ago Go to last post
    Tango

    Painting back glass

    Thread Starter: Tango

    Whatbdoes everyone ise to paint the back glass on tanks. The 90 i picked up was plasti sprayed and it pealed off

    Last Post By: deboy69 19 Hours Ago Go to last post
    rplank

    90-75 combo

    Thread Starter: rplank

    Finally my tank build is done. Here's what I have.... I had a diy 75g AIO that I picked up from CL last December. The back 6" is sectioned off...

    Last Post By: sethsolomon 2 Hours Ago Go to last post
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