Mr. Saltwater Tank

Mr. Saltwater Tank’s 235g Tank December Update

2012 has proved to be a up and down year for my 235g tank. After a rocky start that included a neglected rental house, a marine velvet outbreak and my tank was restarted in May and has been running successfully for 7 months. The tank is about to start a new chapter though and that chapter won’t be written around these parts.

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Comments for this article (58)

  • Wreck says:

    You really only keep the radions @ 40%? Wow

  • Wreck…that is correct. They crank out a lot of light.

  • Jason Reynolds says:

    Hi Mark. Are you doing the artificial or natural program on your Radions?

  • Jason…artificial.

  • Tony says:

    Nice job Mark!

  • Branden says:

    What was the name of your skimmer? I have a octopus before my refugium and a little over stocked tank with sps lps soft and zoos and shrooms and some clams and have been showing ammonia as of recently thinking its upgrade time. Thanks

  • George says:

    Any chance you can post a screenshot of you radion settings? Also are your rations gen 1’s without the TIR lens upgrade? Thanks

  • Carmen Stafford says:

    I noticed you had two Purple fire fish. I hope that’s the right name. Are yours a mated pair? I understood you couldn’t keep two if they were not a mated pair…unless the tank is big enough?

  • John says:

    Will you have a update of how to move a tank?

  • Mark H. says:

    Mark, thanks for the update and love the selection of fish.

    Moving again, hopefully you can have a dedicated filtration room this time.

  • John says:

    Forgot to ask why do you have four Ecotech Radions when you have them at 40%? Would only two be okay for the tank?

  • Pasquale says:

    Mark, I was losing a lot of water without a glass top. Just wondering with open screen are you losing water. I was adding gallon a day. Now I adding less than quart a day.

  • gary g mcintyre says:

    do you have irish roots.great job on everything

  • RJ says:

    Wow Mark,
    That is my dream tank. Although it will take me more then 7 months I am using your tank as a model for my future tank. Awesome Job!

  • Kerric Peyton says:

    Great video Mark!

  • John…I’m sure I’ll do something around how to a move tank. Not sure what yet.

  • Mark…unfortunately I won’t have a dedicated filtration room, but I will have concrete slab foundation so no more flooring worries!

  • John…I chose 4 since the tank is 30″ wide. If I was running a lower light tank I could probably get away with 2 Radions

  • Pasquale…water evaporation doesn’t bother me. I’ve got plenty of RODI top off water on hand

  • Gary…half Scottish, half Norse!

  • Matt Z says:

    Hey Mark,

    What inverts do you have in the tank? More importantly I saw some Urchins. What kind are they?

  • Matt..I have 3 pincushion urchins, 2 cleaner shrimp and a whole lot of hermit crabs!

  • Carmen…they aren’t a mated pair and they swim on different sides of the tank.

  • Hector says:

    As always great job and that’s the beauty of our hobby. You can go so many routes and it’s all incredible. LPS, Fish only are so entertaining and SPS route and of course taking chances like your fringe fish.

    Going to have to request a Year End blooper reel to kick off 2013

    PS – if you upgrade, I’ll buy your old lights

  • Rich says:

    just wondering if you can tell me what par reading you got on the sand bed??? 100? 200?

  • Rich…it was over 200 on the sand bed.

  • Ann Marie says:

    Hi Mark.

    I have been having trouble keeping my temperature through out my system consistent. Do you have any advice where I can look for a problem that this is happening or why I can do? I have two heaters. Should I get one more.

    Your tank is beautiful!! Anmarie

  • Ann Marie says:

    What i can do?

  • Ann…what is your temperature swing on a daily basis?

  • Ann Marie says:

    Between 74-78f. When I turn in at night the temp. is at 78-79f. When I check in the morning it’s down at 74f. Sometimes 73f. I’m having trouble with consistency. I won’t put live stock until I can get this figured out.

    Thank you so much for responding, have a great day!


  • devon.vincent says:

    I’m going to be moving to Oklahoma and right now I have a 30 biocube and 30 pounds of live rock and bio active live sand. I also have 2 clownfish, a firefish, a bengui cardinal, and a yellow watchmen goby with a clean up crew what do I do when I have to move. Also is it ok if I feed them pellet food in the morning and mysis in the afternoon or just mysis once a day.

  • Lucas Cronin says:

    Ann Marie. Make sure your heaters are rated to be able to heat however many gallons tank/sump you have.

    The thermostats in the heaters are garbage and I had horrible temp swings before I got a controller.

  • Lucas Cronin says:

    Is that New Era food I see? šŸ™‚

  • Lucas…yes it is. I love that stuff!

  • Ann…what size is your tank and what size and make are the heaters?

  • Ann Marie says:

    55 gallon tank with 1 aqueon 200w and 1 aqueon 150w heaters. Placement are in sump vertically on opposite sides. My return pump is a aqueon submersible pump 2500 with a flow rate of 485 gph.


  • Ann Marie says:

    Thank you Lucas. If you had the same experience, I need to think about a controller.


  • Lucas Cronin says:

    Mark. Do a show on the food! šŸ™‚ Does it really not break down in the tank like other foods? I’m ordering my own right now from Salty Supply. šŸ˜‰

    Ann Marie. It does not have to be the most fancy controller either. The Reef Keeper Lite Basic Kit form Bulk Reef is $115. That is what I bought but I ended up adding in a few upgrades.

    The controller gives you peace of mind as you don’t have to worry about heaters failing in the on position or worry about a cheap timer failing.

  • devon.vincent says:

    Iā€™m going to be moving to Oklahoma and right now I have a 30 biocube and 30 pounds of live rock and bio active live sand. I also have 2 clownfish, a firefish, a bengui cardinal, and a yellow watchmen goby with a clean up crew what do I do when I have to move. Also is it ok if I feed them pellet food in the morning and mysis in the afternoon or just mysis once a day.

  • hon-kit says:

    I kinda miss your old 90 gallon tank with all those beautiful grown-out SPS corals.

    Hope that with your upcoming move to a new home, you will stock up with some great looking SPS corals.

  • Mike Mueller says:

    Tank is looking really good!! Thank you for doing the sale. I picked up one of the guides and I look forward to reading it!

  • J.T. Vintila says:

    I love the new tank. More fish always makes a tank look 10x better that is why I always love larger tanks. I have one question about the clown tang. Well since your getting rid of it are you considering another type of tang in your system?

  • J.T…i will be considering another tang for my tank, just not sure what type yet.

  • Monique says:

    Feliz Navidad, my Dear Mark,the best for you and your family.

  • Thank you Monique…the same to your family.

  • John says:

    Thank you for reply. Can I ask as I did not read in your books as how on this tank and the others the best way to clean the glass that you see below the sand bed?

  • Brandon says:

    You should give an update on your current radion program.

  • George says:

    Ditto that Brandon, how about it mark? Can you share details?

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