Emerald Sump 34 - Trigger Systems

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Emerald Sump 34 - Trigger Systems

93% Recommend this to a friend (14 of 15)

SKU: 209230
In Stock: 29
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Quick Overview

Why does BRS recommend this?

Trigger systems have been making sumps for quite some time now and they have won us over with their attention to detail, practical designs and overall aesthetic appeal. With the ability to modify the sump to your needs with adjustable water levels, interchangeable plates , tube holders, probe holders, and enough room to put equipment where ever you need it.

Emerald 34

  • Dimensions: 34″ long x 15″ wide x 15″ high

  • Skimmer Section: 10″ x 14″

  • Center/Refugium Section: 10.25″ x 14.5″

  • Return Pump Section: 6″ x 14.5″

  • Total Water Volume: 31 gallons

  • Skimmer Water Level: 7″ to 9.5″ adjustable

  • Drain Input Fittings: 2

  • Filter Socks: 2


Full Details

The Emerald series introduces several new features not found anywhere else. Some of the features of the Emerald sumps are:

  • Interchangeable plates (PAT PENDING)
  • Lid to prevent splashing
  • Adjustable water height
  • Self-adjusting foam block platform (PAT PENDING)
  • Dual platforms
  • Protein skimmer section
  • Refugium section
  • Emerald green coloring to block light and prevent unwanted algae growth in other sections


EMERALD Water Flow

Water enters the EMERALD sumps into a dedicated section where the water will then flow over into Section 1.

Section 1 where the interchangeable plate is located allowing for either filter sock or foam block mechanical filtration. This area is covered with a lid to prevent water splashing. Water then flows out the bottom of Section 1 into Section 2.

Section 2 is typically where the protein skimmer is located. Water then flows through the ‘Trigger Symbol’ cutout into Section 3.

Section 3 is the refugium section. The water then flows over the second baffle through 2 perforated platforms and under the third baffle into Section 3. The top perforated platform comes with a foam block filter and the bottom one is open to use for several different filtration methods (bag of carbon, bio balls, rubble rock, etc.).

Section 4 is the return water section back into the tank. This is where the return pump will sit.


Interchangeable Plates (PAT PENDING)

Each Emerald sump comes with two plates that can be placed into Section 1:

  • Filter Sock Plate
  • Foam Block Plate

The filter sock plate is installed when the included 100 micron filter socks are desired.

The foam block plate is perforated with holes and comes with a foam sponge block filter. The foam block plate can be used when filter socks are not desired or in the case when the filter socks need to be changed or cleaned but replacements socks are not readily available but yet mechanical filtration is needed. In this case, simply remove the filter sock plate and install the perforated foam block plate and then place the included foam sponge block filter in place.


Adjustable Water Level
Water level in the sump is adjustable from 7” to 9.5” to accommodate for the water height requirements for different protein skimmers.


Self-Adjusting Foam Block (PAT PENDING)
As the water level is adjusted by sliding the wall up and down, the foam block sponge filter and the perforated plate that it sits on will also move up and down automatically. This is important to maintain the correct location of the foam block sponge filter with respect to the sump water height.


Probe Holder
All Emerald sumps come with a probe holder that can hold up to three probes. The two outside holes are 0.63” in diameter and the center hole is 0.8” in diameter to fit different sized probes.


Hose Holder
All Emerald sumps also come with 4 holes in the top support brace for holding in place 1/4” OD tubing from reactors, dosing pumps, ATO, etc.


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  • Perfect Sump By POWERRANGR on 5/10/2017

    I bought this for a 90g and couldn't be happier. With all the space it has I can add anything for years to come. As for the Sock location - I rotated the sump 180 and now they are at the cabinet door opening - who said it had to be like the picture... ;)
  • Think its okay -- better sumps out there By Tuan on 3/1/2017

    I'll give this a 3.. its alrite... not terrible but not 5 stars either.. I was really excited for the sump but when I received it, I thought I paid $400 bucks a few sheets of colored acrylics. The design of the sump could be much improved. Some issues I have with this specific model:

    1.) The socks are in the rear left... And that means I have to remove the skimmer to to get to the socks

    2.) The probe holders dont have a tightening mechanism. Instead, they have O-rings to keep them in place.. kind of cheap

    3.) The dosing line holes again have o-rings. I think these should have been set up with john guest connects

    Overall, the sumps works and the colors look nice. But for $400, I think there are better sumps out there.
  • Texas boys can build em! By RobertP on 2/26/2017

    Very well packaged and was very happy with the quality. no bubbles in any seams. Been running about a month and while sock replacement can be a pain I would buy this one again. No bubbles leave the sump. I wish the flow between sump and fuge was adjustable up and down. But that's not a knock. I find myself starring at the fuge at night to watch a bugs life.
  • Solidly built sump By jeffrey on 1/23/2017

    First it was very well packaged. For anyone wondering the overflow entries are 1 inch inside diameter. This sumps will definitely not bow in the future especially with the top design. I look forward to many years use.
  • Solid but could use some improvements By Tony on 12/31/2016

    My first reaction upon unboxing this is that I paid a lot of money and didn't seem like it was worth it. I installed it and its worked great. The only complaint is the filter suck is a little difficult to get in and out. The standard 4" socks dont fit quite as easy in sump.

    Is it worth the money? Yes, but only if you can get it on black friday sale :)...
  • AMAZING SUMP By Timothy on 9/10/2016

    Bought this sump to replace es-hopps 100 on my 90g. This sump is beyond what I expected. Well built and thought out. Should have just gotten this when I set it up! From now on I will only buy Trigger Sumps.
  • sweet sump By cheesehead on 6/26/2016

    this is the nicest sump I have ever seen. it's so pretty that I want to leave the door off for everyone to see.
  • great sump By carlreefer on 5/23/2016

    built extremely well. i would recommend this to everyone. It was packaged very well there was a lot of foam supporting the sump from every side. It looks so good its a shame to hide it under my tank.
  • Great Sump By Charles on 4/9/2016

    This is a very well made sump, a lot of room for the skimmer as well as the Refugium. Very pleased with my purchase.
  • Please correct recommendation By Ed on 1/5/2016

    I must have hit the wrong button. I would without hesitation recommend this to a friend.
  • Unsurpassed quality and design By Ed on 1/4/2016

    I recently purchased an Emerald Sump 34 from Trigger Systems and I must say I have never purchased any reef product that is better designed, better constructed or better packaged than this sump. I carefully considered many other sumps and chose this one. The design was thoughtfully considered for ease of use, and ease of monitoring the system and ease of maintenance. The construction was flawless, and the seams for the different compartments was perfect. Although a little pricey, you definitely get what you pay for. Congratulations to Trigger Systems in putting together a truly top notch product. Finally, a note of appreciation to BRS for the prompt handling of my order, even during the holiday season.
  • Super Sump! By Dreamcr52 on 12/18/2015

    Beautiful, well built sump! So much quieter than my old Eshopps sump, plus a lot less evaporation, and salt creep.


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Product Questions

Will an Eheim 1260 pump fit in the return section without hitting the walls of the sump?
Question by: Chris on Jul 11, 2016 9:30:00 PM
Hi Chris,
The Eheim 1260 pump has a footprint of 6.25” x 8.5” and the Trigger 34 Sump’s return section is only 6” wide, so unfortunately it will not fit. We would suggest looking into the Sicce Syncra Silent 3.0, which is very comparable and should fit very nicely.
If you have any other questions just let us know. Thanks!
Answer by: Charlie (Admin) on Jul 12, 2016 7:53:00 AM
Does the dimensions of the Skimmer Section include the drain section of the sump or is it strictly the dimensions of the opening for the skimmer? Wondering if my skimmer with a footprint of 8' X 12' would fit in it.
Question by: Gus Mady on Apr 11, 2016 9:40:00 PM
Great question!
The Skimmer area will be exactly how much room you have to place a skimmer. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Apr 14, 2016 5:07:00 PM
I have a 90 gallon primarily a coral tank and was thinking of purchasing the emerald 34. I currently have a wet dry with bio balls and wanted to know what was the best way to change sumps? Is it ok to just pull out the old and install the new with a refugium? I also wanted to know what all I would need to purchase to start up the refugium? The tank has about 75 or so pounds of live rock and has been up and running for about 2 years. Please let me know what u think thanks
Question by: Dominick on Apr 26, 2016 10:03:00 PM
Great question!
For changing sumps you can simply take out the old and install the new. Large frequent water changes will need to occur until the bio-load is able to catch up. For a refugium on the sump you will only need a simple 6500K light and the algae.
Answer by: Connor (Admin) on Apr 27, 2016 4:07:00 PM
What size is the two drain input fittings?
Question by: Sam on Sep 12, 2015 3:47:00 PM
Great question!
This will come with 2x 1" drain sections. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Sep 15, 2015 6:04:00 PM
Does the VECTRA M1 DC (2000 GPH) - ECOTECH MARINE pump fit in this sump?
Question by: tin spence on Sep 18, 2016 3:21:00 AM
Hey there! It will absolutely fit in that return chamber. :-)
Answer by: Randy (Admin) on Sep 29, 2016 11:42:00 AM
Should we have extra filter socks on hand? Or, just clean the two that this sump comes with? If we need to have extras, what are the part numbers that you sell to order?
Question by: Doug Thomas on Jan 31, 2016 7:53:00 PM
Great question!
It is a great idea to have spare filter socks on hand so you can wash some while you change them, we usually have 4-6 filter socks and will wash them once a week. I have included a link to our felt filter sock which you would want in the 4" size. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Feb 17, 2016 4:13:00 PM
Will this fit in the R & J Aquarium Xtreme 48" x 18" cabinet?
Question by: Kristine Mangan on Mar 10, 2016 9:25:00 AM
Great question!
Unfortunately we do not know the size or design of the R&J stand however as long as the stand has 15" x 34" the sump will work great! Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Mar 10, 2016 1:32:00 PM
I bought this sump, planning on installing this weekend the sump has 2 inlets for the drain my tank has only 1 drain. would it be okay to only use 1 drain and cap the other?
Question by: Charles on Mar 24, 2016 7:03:00 PM
Great question!
It will be a good idea to put a quick cover or cap on the second drain option. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Mar 25, 2016 9:19:00 AM
Is this good for 200 gallon
Question by: Lewis on Nov 21, 2016 11:19:00 PM
Hey there! I would recommend the Emerald 39 over this for your 200gal tank. It is not the size of the sump rather whether or not the sump can fit the protein skimmer and any other component you will need. The 39 has the most room for skimmer and should work great! Feel free to let us know if you have any further questions!
Answer by: Randy (Admin) on Nov 22, 2016 5:50:00 PM
what is the largest tank size you can use this on i am running 215 gallon tank is it big enough
Question by: matthew on Mar 13, 2016 5:24:00 PM
Great question!
The size of the sump does not depend on the tank size rather the size of the components you will place in the sump. As long as the sump can fit your desired skimmer it will work well! Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Mar 14, 2016 6:55:00 PM
I bought this sump and also the Reef Octopus Classic 202-S 8" skimmer. It says the foot print is 12.4 X 10 and the sump says it has a 10 X 14 skimmer section which I assume is next to the socks section. I think this will barely fit with the 10 inch area sump area, but I am wondering about the green top section that seems to be a bit smaller. I hope I can work this into that space. If not it will go into the refugium area. ;-)
Question by: jeffrey castor on Jan 11, 2017 10:46:00 PM
Great question! The measurements listed for this sump are accurate and does not take into account the lip around the top edge of the sump. Since most skimmers are smaller as they get taller, most skimmers can be installed from an angle to fit them into the skimmer section. Being that the measurements are so close, I would say that your skimmer would not fit comfortably in that skimmer section, and you would need to relocate it to the middle chamber area. :-)
Answer by: Randy (Admin) on Jan 12, 2017 3:23:00 PM