Reef Octopus Biopellet Combo Pack

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Quick Overview

Each Reef Octopus Biopellet combo pack comes with Reef Octopus Biopellet Reactor and corresponding quantity of BRS Biopellets.

BR-70 and 500mL of BRS Biopellets

Max recommended feed flow: 270-390 GPH

BR-110 and 1000mL of BRS Biopellets

Max recommended feed flow: 520-790 GPH

BR-140 and ½ Gallon of BRS Biopellets

Max recommended feed flow: 790-920 GPH

  • Quick Overview

Each Reef Octopus Biopellet combo pack comes with Reef Octopus Biopellet Reactor and corresponding quantity of BRS Biopellets.

BR-70 and 500mL of BRS Biopellets
Max recommended feed flow: 270-390 GPH

BR-110 and 1000mL of BRS Biopellets
Max recommended feed flow: 520-790 GPH

BR-140 and ½ Gallon of BRS Biopellets
Max recommended feed flow: 790-920 GPHMore

Reef Octopus Biopellet Combo Pack

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BR-70 Reef Octopus Biopellet Combo Pack
SKU: 205620

reg. $164.99

Special Price: $148.49

BR-110 Reef Octopus Biopellet Combo Pack
SKU: 205621

reg. $234.99

Special Price: $211.49

BR-140 Reef Octopus Biopellet Combo Pack
SKU: 205622

reg. $319.99

Special Price: $287.99


Availability: In stock


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Product Questions

What size biopellet reactor am I going to want for my 120g?
Question by: jordan on Mar 15, 2014 1:25:00 PM
Hi Jordan,
You want to run about 250ml per 50g of water, so on a tank your size thats about 625mL. The BR-110 would be a good choice for that much media.
Answer by: Bulk Reef Supply on Mar 15, 2014 1:25:00 PM

Full Details

BR-70 Combo Pack

Reef Octopus BR70 Manufacturer's Manual

  • 2.75 Diameter x 19.3 Tall
  • Footprint: 3.875 x 3.875
  • 300ml BioPellet Capacity
  • Max recommended feed flow: 270-390 GPH
  • 500ml BRS Bio Pellets


BR-110 Combo Pack

Reef Octopus BR110 Manufacturer's Manual

  • 3.9 Diameter x 21 Tall
  • Footprint: 5.25 x 5.25 (6.7 is with the lid)
  • {800ml BioPellet Capacity}
  • Max recommended feed flow: 520-790 GPH
  • 1000ml BRS Bio Pellets


BR-140 Combo Pack

Reef Octopus BR140 Manufacturer's Manual

  • 5.5 Diameter x 21 Tall
  • Footprint: 7 x 7 (8.3 is the with the lid)
  • 1500ml+ BioPellet Capacity
  • Max recommended feed flow: 790-920 GPH
  • 1/2 Gallon (1882) of Bio Pellets


BRS biopellets are made from 100% natural Polyhydroxyalkanoates. PHA is a natural substance produced by bacteria to store carbon and energy which makes it the ideal solid carbon source for denitrifying bacteria in the aquarium. BRS biopellets are produced by a leader in the industry, designed specifically for denitrification in aquaria and we believe it to be the best product available. Use of biopellets will also remove phosphates, combined with wise food selections it can be the only type of phosphate control required.


We recommend 1 cup (236 ml) of BRS biopellets per 50 gallons of system volume.


Solid carbon dosing (biopellets) has recently become an extremely popular method of removing nitrates from the aquarium. The exact method of denitration can be different for each tank but it mainly consists of a few things:


  • Nitrate laden Bacteria is removed via the protein skimmer
  • Bacteria directly converts nitrite into nitrous oxide so nitrate is never produced
  • Bacteria consumes nitrates and processes them down into nitrogen gas
  • Nitrate laden Bacteria is consumed by tank inhabitants like corals and sponges


Depending on the system it should take 4-8 weeks for the bacteria population to multiply and begin its work on your nitrates. Once you have the reactor going we suggest not making any adjustments for 8 weeks. Give the media and bacteria time to adjust to the parameters found in your tank and begin working. The absolute best advice we can give with this system is to set it up and forget about it for two months. Unless something is obviously not right resist all temptation to make any changes until the two months are up.



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  • Nice bio-pellet reactor By David on 5/7/2015

    Using this in the sump for a 120 gallon display tank. Running about 650 ml of pellets. The unit has a small footprint for the volume of pellets, which fits well in the sump. The cone base fluidizes the pellets nicely. The unit was easy to assemble and install. All the fittings fit snug and do not leak.
  • Hi By Michael on 3/5/2015

    So far, so good. It's only been running about 2 weeks or so, but is very well built. I'll report back later on how it's doing with nitrate reduction. I love the kits that BRS puts together to make it easy.
  • this is the ticket By Russell on 11/23/2013

    I have been useing this for a long time, nice looking, and a good built reactor
  • BR-140 biopellet reactor.....excellent! By TYRUS on 9/2/2012

    This combo pack is great. I 'm currently running this reactor with the Mag drive 7 pump. It works like a champ. The reactor is well made and overall performance is excellent.
  • Good product... By Benjamin on 6/18/2012

    excellent construction and good looks and easy to install
  • Good By dtawahn on 5/6/2012

    This has been working great since setup. However, when setting up, if one tiny little pellet gets stuck in the lid, it will not seal and a watery mess is made. Make sure when you setup and add pellets, that the lid is completely clear. There is no room for error.
  • Well built and very cool looking product! (BR-70) By PT on 3/10/2012

    I added this shortly after I started on cycling my 24" cube, not sure but it might have helped my cycle time (around 10 days with dry rock). I did add some starting cultures from Microbacter7 and the hagen cycling product. The product is certainly well made and would definitely buy again. Consider getting this at the start too as you wont have to care about dealing with effects on the tank later. Consider putting a ball valve on the input as its nice to turn it off and on to break up the pellet clumping at the beginning. Im running this and the BRS Carbon reactor with a mag 3 and seems to have enough flow to keep both running.

    One thing to keep in mind is to make sure you plumb correctly as the sch 80 union fittings dont seem to match what you can get in local stores .. I ended up making a mistake and having to wait for a replacement on the union.
  • Worth it! By 808Reefer on 12/27/2011

    it costs a little more than some reactors, but I'm very impressed with this reactor. It is very well built, pretty much comes fully assembled. Great product overall.
  • I like this set up By walkabout on 11/23/2011

    I got this about 11 months ago the BR-110 works really well, pellets are a little high in price but what can you do, when something works this good, i am back for more pellets
  • BR-70 Combo By Mark Neil on 11/6/2011

    I've purchased this combo and have been using it for a few weeks (100g tank). I've noticed my sand getting clearer and better skimmer performance. I used about 200ml of pellet out of the 500ml pack. I think this should be more than enough for 100 gallon.
  • ro rx w pellets By William on 11/1/2011

    Acrylic quality top. Well designed and easy to setup, tumbles your media as expected without clogging so far, cone at bottom does it s job, will recommend
  • Excellent product. Just be careful By Robert on 9/16/2011

    First let me say that the ease of the setup for this product was fantastic. i did it in about 20 minutes. Absolutely perfect fittings and I did install it with a Mag 3 pump which is almost overkill. The system works beautifully. That said where you will want to be careful is in the implementation of the biopellets. I made a few mistakes and it cost me. I did not rinse the pellets off before running the reactor. There was a nitrate spike of 80 ppm which i think may be responsible for me losing 3 of my acroporas and some of my frogspawn are showing polyp bailout. I noticed that there was clumping at the top of the reactor. I had a layer of biopellets stuck together. Just a week after dislodging the clumps, my nitrates are back down to 0 (It has been about 2 months). The damage in my tank has been done. I would recommend keeping an eye on these things as you set your system up. Even starting with half the recommended dose and then bumping it up after the first couple of months would seem to be a good cautious approach, in my opinion. At this time, the biopellets are definitely doing a great job of keeping the nitrates down to 0.

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