Automatic Roller Mat - Theiling

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Automatic Roller Mat - Theiling

70% Recommend this to a friend (16 of 23)

SKU: 209381
In Stock: 348
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Quick Overview

We have been waiting quite a while for a product like the Theiling Automatic Roller Mat. With the Theiling Roller mat it will automatically unroll fresh new fleece to trap and collect free floating debris and detritus from your aquarium. Usually anyone that runs filter socks in their sump will have a few handfuls of socks laying around that need to be cleaned and can take up quite a bit of space. With the 12v electric motor dirty fleece will be removed from the water allowing new media to take its place when the current fleece is starting to clog.

  • Automatic rejuvenation of mechanical filtration media

  • No more changing or washing filter socks

  • Detritus is removed from water column preventing the breakdown into ammonia

  • Drains can be plumbed directly to input or on a stand alone pump

  • 12v operation for low energy consumption


Full Details

Recommended flow rates between 200-600 gph through the Theiling Roller Mat.


Plumbing Info

Due to the manufacturer of this product being in Germany the bulkheads that are already installed on the Roller Mat are metric. If you wish to use US (standard) bulkheads for the input and emergency drain we suggest purchasing the Theiling Adapter Kit. Please note the main drain is a metric bulkhead that cannot be replaced with a standard bulkhead.


Main Drain:

40mm ABS Bulkhead - To convert to standard US size plumbing we recommend using the 40 mm to 1 1/4" adapter



40mm ABS Bulkhead  - To convert to standard US size plumbing we recommend using the 40 mm to 1 1/4" adapter


Emergency Drain:

25mm ABS Bulkhead - To convert to standard US size plumbing we recommend using the 25mm to 3/4" adapter


Dimensions: 17" long X 10" wide X 19" tall


Whats included:

1x Roller mat unit

1x Power Supply

1x Roll of Fleece

2x 40mm ABS Bulkhead

1x 25mm ABS Bulkhead


Your tanks drain line can be directly attached to the input of the Roller Mat, or a stand alone pump can be used. We do prefer to use a DC controlled pump for ultimate flow control but any pump up to 600 gph will do just fine.



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  • Disappointed By Greg on 9/25/2017

    purchased 7/4 failed 9/25 needed replacement motor. didn't even get through the first roll!!!
  • Can be perfect with simple changes By Jeremt on 5/13/2017

    Ive found ways around all the flaws
    1st flaw - metric bulkheads, i was able to fit a 1.5 inch 40 bulkhead in place of the main drain. I
    Replaced the input with a 3/4 bulkhead
    2nd flaw happens because of the circuit board design, the board has constant power running to it which is a issue because it over heats itself and the motor fails.
    The fix was easy. Open the access cover on the board, remove the connections of the float switch and run them to your apex, now jump the the contacts on the board together with a short wire, the contacts from which you pulled the float switch from. Put the power supply on apex outlet to only come on when float is closed.
    Works flawless now and i can check my logs to see how often it comes on and its progress. i too had major issues with the motor not working but all is well now and i love this thing
    3rd flaw is the cover being on builds condensation from the warm circuit board.
    Fix - leave cover off or prop open just a tad ( or do the apex fix)

  • No more filter socks By Jpaudio on 4/23/2017

    No more filter socks and it seems to be staying clear took one star away for having a deal with the non standard bulkheads
  • Not ready for prime time By Alex on 4/10/2017

    So, we've had this thing for several months now, and like others have pointed out it has some cons:
    Thin plastic feels like it is going to break it you move it wrong.
    Hard to get the top on and off.
    Extra plumbing conversions make it sit farther from the sump then you I like.

    But I want to mention something that hasn't been covered in the reviews yet. It would be really nice if the clip that holds the float valve for this thing was adjustable, so I could have it use more or less of the roll as my comfort level with how dirty the used portion gets, changes. Currently the used portion gets a little too dirty for my liking, and has caused my nitrates to go up from the level I was keeping them at with filter pads/socks. If I could get the float valve to trigger sooner, it would get the waste out of the tank faster, not allowing it to decompose on the filter paper for quite as long.

    But overall, it seems like a beta version of a great product. It just needs a little more work to tackle some of the issues, and it could be must have for all reefers.

    P.S. We have this mounted so the pipe that dumps water into the sump is just above the water line in the sump. This caused an issue when our Auto Top Off put a bit too much water in the system, causing the float valve to trigger and waste an entire roll of filter paper. We have since added it to the Tank controller so that when the float switch in the sump is triggered, this thing turns off. It also turns off in cleaning mode.

  • I like this better than filter socks By Jim on 4/2/2017

    I have had a few problems with feed roll dragging as well. I also have had a few snails make their way in, so that might actually be my problem.

    I wanted to point out my drive motor shaft is rusting. It might be a good idea to put some silicone grease on the motor shaft to prevent this. I am glad BRS is selling replacement parts as I will probably have to replace the motor & drive gear at some later time.
    Regardless of the issues I've had, I like my rollermat and would consider purchasing a second one if I can figure out how to fit it in my sump.
  • Little plastic gear broke By Steven on 3/29/2017

    I have 3 units and after the first rolls were used up, after changing to new media rolls, 1 of 3 units broke it's little plastic gear. I've ordered replacement gear, but I think this plastic part needs to be replaced with something metal that won't strip or crack under the strain of pulling on a new wet full roll. Hire a machine shop to cut a batch of metal replacements, and I'll buy them.
  • 3 months in - rubbish By Reef510 on 3/27/2017

    I originally reviewed this praising it as the best thing since sliced bread. The design is absolutely awesome. Execution is very poor 3 months in. The enclosure is very thin and the motor has stoped turning the roll. Both rolls are now saturated with salt water and have become heavy. Too heavy for the motor to spin. I got rid of it unfortunately and am thinking of a home brew version.
  • great concept, needs fine tuning By nick on 2/10/2017

    This automatic roller mat is awesome in concept and reality, BUT the reality part needs potential problem solving to ensure long term proper function for some.
    As others have noted the motor and gears seem to be weak. Before mine have failed I noticed strange noises coming from the motor/gear. I believe its from the strain placed on both due to the excess moisture absorbed by the mat causing extra weight the motor has to move.
    This got me to thinking,
    A) is this because i have more moisture in mine than others? I'm not sure but i am plumed into the basement which has a consistent 65 deg temp.. Since this unit is enclosed i'd have to think 76 degree water enclosed and placed in a room 65 degrees will cause more moisture than if it was placed below the tank in the stand that more times than not is more toward 71/72 degrees, or more, causing less condensation which will lead to less absorption than my situation.
    B) If the noise i'm hearing is a result of extra weight absorbed by the mat, maybe drilling the top for better breathability reducing condensation would be the answer. I tried this by making 4 1.5inch holes. 2 directly above the feed mat and 2 above the dirty mat. The peaks of the cover- It didn't work in my situation.
    c) Remove the lid, everything else is wide open why not? So far this has worked i have no issue with full dirty or new rolls causing strain on the motor or gears. I also do not notice any smell from it being open (but it is in the basement and i'm not around it 24/7)

    Now that my roller mat is working properly i have no overflows out the overflow pipe and no weird gear/motor noises. Even with my tinkering it is still much less work than i had to do making sure filter socks are clean and not nitrate factories.

    I hope my findings help others in both decision making to purchase or problem solving down the road.

    Good luck, I still love it and it would easily be 5 stars if i didn't have to tinker!!!!!
  • Love this product By Fish girl on 2/10/2017

    I've had this for about 6 months. Love it, no problems. Reduces cleaning time.
  • See you later filter socks! By June on 2/5/2017

    We haven't been running filter socks on our 180 reef for years because of how often you need to clean them, but we do siphon out the sump a few times a year. We need to feed rather heavy due to the garden eel section of our reef, so when the time came to replace our 7+ inch DSB, we decided to add in the roller mat. Totally worth it! The brown gunk that comes out of the reef is nasty with a capital "N". We have a 45 breeder as our sump and while this is a tight fit, it works and I highly suggest it if you have the extra coin to go for it. We didn't need the adapter kit (bought and returned) but I'd suggest getting it just in case you DO need it since it would be a disappointment if you didn't get it and then needed it. Yes, it's expensive, and I know some people think its frivolous, but if you work long hours like we do and take a few weeks vacation every year, this is totally worth it not to worry about replacing/cleaning filter socks. And, this is coming from a lady reefer (1990's) who has cleaned many a filter sock in her laundry.
  • DISAPOINTED By on 1/2/2017

    SKU: 210154
  • not perfect out the box BUT.. WOW By Swany on 12/14/2016

    ok first I had to make the inlet work with 1 1\2 bulkhead and switched the overflow to 1 inch ( the overflow can NOT be a 80 bulkhead its to thick and rubs on the roll) after that its perfection :<{)


Ask a question

Product Questions

What are demensions of the unit?
Question by: Jim on Jun 30, 2016 6:28:00 PM
Dimensions are 17" long X 10" wide X 19" tall
Answer by: Connor (Admin) on Jul 1, 2016 9:29:00 AM
There is only on inlet I have two coming off my tank can for my drains. Can I merge to one or will I need to put another bulk head in the box?
Question by: Jared Voshall on Jan 6, 2017 9:15:00 PM
Great question! It is recommended to keep your drains separated where you can utilize one for an emergency and one for the Theiling Mat. Over the course of a 24hr period, your entire water column will have the chance to flow through the Theiling several times over. We have the same setup on the BRS 160! :-)
Answer by: Randy (Admin) on Jan 10, 2017 3:03:00 PM
How high is the output from the bottom of the unit?
Question by: Shawn on Jan 7, 2017 2:34:00 PM
Great question! The drain bulkhead, which is the large one in the center of the unit, is 5.5" from the bottom. :-)
Answer by: Randy (Admin) on Jan 10, 2017 2:11:00 PM
What is the water level max, min and suggested for the roller mat?
Question by: thomas gregory on May 10, 2017 3:26:00 PM
Hey there,
The Theiling rollermat is designed to operate above the water level of your sump so that the processed water can freely spill into the sump. There isn't really a min/max water level required, aside from making sure the water can flow freely down and out of the central bulkhead and into your sump.

Happy reefing!
Answer by: Zack (Admin) on May 14, 2017 2:45:00 PM
How much clearance space is required above the unit's mounting location? It's 19" tall. How much space above that to remove the lid and replace the filter medium? Do you have to be able to get your arm in there to wrap it around the big chamber from the feed reel to the take-up reel?

If this is in a cabinet below the aquarium with a sump, space is at a premium, so I'm challenged to fit this in.

How does it mount? The plumbing is clearly coming out on one side, but it looks like the back isn't flat either, thanks to the motor sticking out. Seems like the motor should have been mounted on the front so you had at least one completely flat side to mount it.
Question by: David Bishop on Jun 20, 2016 3:06:00 PM
Great question!
In order to fully remove the lid with the roll you will need an additional 6" above the 19" of the unit itself. This does not really have a mounting option but rather can be placed in the sump on a stand or external on a stand.
Answer by: Connor (Admin) on Jun 21, 2016 4:28:00 PM
Will my ato be affected as the mat fills up with detritus, and the water level rises to trigger the roller mechanism?
Question by: Ed E on Jan 26, 2017 8:53:00 PM
Hey there! The rise of water in the Roller Mat will affect your ATO, however the effect is very low because it takes several days for the water levels to change. The effects of dissipation will have a faster affect on your ATO versus the Theiling! :-)
Answer by: Randy (Admin) on Jan 29, 2017 7:53:00 PM
I wanted to know if this would work for my 720 or my 240 build? Thanks
Question by: Daniel Nadal on Jul 22, 2016 12:51:00 AM
Hi there,
The Roller Mat’s overall tank size rating will highly depend on the bio-load and overall amount of free-floating particles it needs to remove. For larger tanks, you may need multiple rollermats, as they are only rated to handle 600 GPH or you could have a stand-alone pump deliver water to the rollermat as well.
Answer by: Charlie (Admin) on Jul 22, 2016 7:43:00 AM
Generally how long do the felt cleaning material last before needing to be change?
Question by: Dan on Jun 23, 2016 10:44:00 AM
Great question!
Will vary on how much waste it put in however standard is around 2.5 months.
Answer by: Connor (Admin) on Jun 28, 2016 3:18:00 PM
How exactly can this be plummed ? Right now I have my 120 Gallon overflow that just uses gravity that falls into my 30G sump below into a filter sock. Can the roller mat just sit right in my sump, my water level on that side of sump is 9" high.? 10" wide seems very big!
Question by: B Roy on Jul 22, 2016 7:47:00 PM
Hi there,
The Theiling Rollermat can be plumbed in a variety of ways. The easiest would be to let your tanks main drain flow directly into the rollermats intake. It is not all that small, and if you could set it on top of your sump that would work, however the rollermat will need to freely drain into your sump. If you place the rollermat in your sump, you will need to be cautious of the water levels and how water how water flows through it. If you cut a rectangle out of cardboard or something stiff with the dimensions of 17 x 10 inches, then you could “test fit” it first.
Answer by: Charlie Onan (Admin) on Jul 24, 2016 10:16:00 AM
Does it come with a mat fleece or do I need to buy that separately?
Question by: Emmanuel Becerra on Jul 9, 2016 2:01:00 AM
Hi Emmanuel,
The Theiling Roller Mat does come with 1x fleece roll. We would suggest picking up an extra just to have on hand for when it is time to change it out.
Answer by: Charlie (Admin) on Jul 11, 2016 11:59:00 AM
What warranty does it have?
Question by: Emmanuel Becerra on Jul 9, 2016 2:02:00 AM
Hi Emmanuel,
The Theiling Roller Mat comes with a 1 year warranty from the date of purchase.
If you have any other questions just let us know. : )
Answer by: Charlie (Admin) on Jul 11, 2016 12:00:00 PM