BRS Fiji Dry Live Rock

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  • BRS Dry Live Rock

BRS Fiji Dry Live Rock

98% Recommend this to a friend (112 of 114)

SKU: 000700
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1-3 day service on orders over $249

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Quick Overview

Sold by the pound

Unable to ship to Canada

The standard in reef keeping and one of the most commonly used types of rock in reef keeping. The unique sizes and shapes help create interesting structures. BRS Dry Live Rock is free of nuisance algae and pest organisms.

BRS recommends curing all rock before being used in an established system for best results.


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Product Questions

Hi, new to saltwater, how do I activate the Dry Live Rock? Will live sand start the process and if so how long should I expect it to take? Also what needs to be done to the dry rock before placing it in the tank. I have a 55 gallon I am converting. Thanks for the time
Question by: Frank R on Oct 25, 2013 11:15:00 AM
Hey Frank,
You got it. Its really as simple as setting up the tank with the rock and just letting it all run a while before you put live stock in. Its hard to say exactly how long it will take, as you want to measure the ammonia in the tank. It will rise slowly over a few weeks and then start to come down, when its 0 is the first point where you can consider adding critters. 4-6 weeks would be a fairly typical ballpark.
Answer by: Bulk Reef Supply on Oct 25, 2013 11:15:00 AM
Can this rock be used to cycle a new tank?
Question by: Ed on Oct 19, 2013 10:13:00 AM
Hey Ed,
It sure can. In fact thats one of the more preferred ways and its often nice just to do it all in the same tank. Its a lot easier to aquascape dry. We like to do our aquascaping, add our sand, add our water and then let it all cycle.
Answer by: Bulk Reef Supply on Oct 19, 2013 10:13:00 AM
Hi, is there anyway to request the size? Since i had small nuvo 16 tank. Im afraid it wont fit in my tank if it too big. And how many pounds of live rock do you recommend for 16 gallons tank?
Thank you
Question by: Rudy on Aug 3, 2014 10:42:00 PM
Hi Rudy,
For a tank that size about 15lbs should do the trick. Feel free to put a general request in order comments during checkout. They aren't able to fulfil specific size requests (like 4" x3") but if you tell them you are looking for "softball size rocks", etc that isn't any issue at all.
Answer by: Bulk Reef Supply on Aug 3, 2014 10:42:00 PM
I have a established tank I want to change out the rock. What do I need to do to use this dry rock, if I have to cycle it how long will it take?
Question by: Ronette on Mar 15, 2016 7:54:00 PM
Great question!
You will want to cure the rock in a separate container for 4-8 weeks with 78-80 degree water with a lot of flow. This will remove any dead and decaying material from the rock. After this you can slowly transition the new rock over. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Mar 16, 2016 10:46:00 AM
Hey BRS, I recently purchased about 10 lbs or dry Fiji rock and was fairly satisfied with the speed and quality of the rock. But, about half of the rock was COVERED in dead sponges. I've tried an acid bath, vinegar bath and manually scrubbing and pulling it off with limited success. Once I removed most of the surface sponges I broke a rock in half and the sponge went the whole way through the rock. Is there anything else I can do to remove the sponge front the rock? Thanks in advance!
Question by: Thomas Guzman on May 11, 2016 6:24:00 AM
Great question!
Once you have removed as much as possible we recommend curing the rock for 4-6 weeks to help use bacteria to decay and remove the waste and dead decaying items. Simply leaving the rock in a dark container with high flow and saltwater will allow the curing process to start.
Answer by: Connor (Admin) on May 11, 2016 6:33:00 PM
Hi. I plan to active a new tank in China. I found the Fiji rock and Tonga rock are better than the rock in our country. And I decide use these rocks for my tank. Do you have any method to ship these rocks to China? Thanks so much.
Question by: BEN on Apr 14, 2016 11:54:00 AM
Hi there!
Thank you for your interest in Bulk Reef Supply. At the moment we are currently only able to ship to the US and Canada. For further information on our shipping policies please check out our shipping information located at
Answer by: Connor (Admin) on Apr 19, 2016 10:53:00 AM
If order 20 lbs of dry rock will I get only small size rocks
Question by: Adrian on Apr 15, 2016 10:01:00 PM
Great question!
You can add rock order comments for the size and shape you are looking for in the Shipping Comments section during the checkout process. In most cases you will receive 4 football sized rocks. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Apr 20, 2016 12:28:00 PM
How do I know what size I am getting?
Question by: Jordan M on May 1, 2016 9:12:00 AM
Great question! When placing your order you can put comments in the "shipping comments" section of your order to indicate size preference for the rock you are ordering. Keep in mind, specific dimensions can be tough to obtain depending on what is available at the time of your order. However, if you use references like "basketball size" or "baseball size" pieces of rock, our team in fulfillment will do their best to accommodate your request :)
Answer by: Mitch (Admin) on May 3, 2016 4:36:00 PM
Hi! I'm new to all this. I just recently purchased a 125 gallon tank. 6feet wide. 22 in deep. 18 in front to back. I'm looking to purchase some rocks. i've learned that I need to get one pound of rock per gallon. my question is do you think i could purchase multiple kinds of rock. for example. 50lbs of Pukani, 50 lbs of reefsaver, and 25lbs of either fiji or reef shelfs... do you think it would look funny? or would it result in any problems? thanks for your help in advance and the video that you have are great.
Question by: Chad on Mar 25, 2016 6:48:00 PM
Great question!
It can work just fine with multiple types of rock! Ideally for aquascaping it is most appealing to use a single type of rock (pukani for example) and maybe some shelf rock. Keep in mind however that once the tank is well established (years down the road) and covered with coraline algae the rocks will blend in and not make a huge difference. Most rock is 1 lb per gallon with the excepting of Pukani as it is so light you can get by with around 1/2-3/4 lb per gallon. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Mar 28, 2016 11:12:00 AM
So is the quantity the number of pounds of rock
Question by: Christian on Aug 28, 2013 2:48:00 PM
Hi Christian,
That is correct. It is sold by the lb, so whatever quantity you enter in the quantity field is the number of pounds you are ordering.
Answer by: Bulk Reef Supply on Aug 28, 2013 2:48:00 PM
Do i have to cycle my new Fiji rock if have an existing fish reef tank or i can just place it in the tank?????
Question by: Rocky on Feb 13, 2014 4:26:00 PM
Hi Rocky,
You absolutely would want to cycle the rock in a different container before adding to an established tank. Its just not worth the risk of starting a new cycle in something with live stock. You can use something as simple as a bucket or trash can depending on the volume you plan to add.
Answer by: Bulk Reef Supply on Feb 13, 2014 4:26:00 PM
I'm starting my first saltwater tank, so can I just put this rock right in the tank? Or do I need to do anything with it first before putting it into the main tank? Do I just rinse it off?
Question by: Eric on Dec 26, 2013 3:56:00 AM
Hey Eric,
As long as there isn't any live stock in the tank that is how most of us would do it. Just put the rock in, then put in your sand and your water and let the whole tank cycle together.
Answer by: Bulk Reef Supply on Dec 26, 2013 3:56:00 AM
I have a 120 gal reef tank that has a load of Aiptasia. I want to replace all the live rock and start fresh.
Is there a way for me to do that without removing the live stock? Or do I break the system down and start
from the beginning? I really don't want to do the later. I have a lot of SPS corals that are OK. What do I do?
Question by: John Zeleniak on Aug 1, 2014 3:56:00 PM
Hi John,
Your situation is particularly difficult. The rock is host to most of the beneficial bacteria that reduce the fish waste. On the one hand it must be replaced slowly in order to allow the filtration to compensate. On the other hand, placing your new rock into a tank with a bunch of aiptasia covered rock is likely just to also become infested with aiptasia. Unfortunetely I think your best bet here really is to break the system down as you don't really want to reuse any water/sand/rock from a tank that is infested or your likely to just spread it right into the new rock.
Answer by: Bulk Reef Supply on Aug 1, 2014 3:56:00 PM

Full Details

BRS Fiji Dry Rock is the standard rock used in aquariums. Fiji Dry Rock is porous and full of holes that become nice homes and passage ways for your tanks inhabitants. Like all of our dry rock Fiji is free of nuisance algae and pests which can cause complete tank shut downs and is guaranteed to be free of apitasia, bubble algae, parasitic isopods, mantis shrimp, acro eating flat worms, little red bugs, fire worms, predatory nudibranchs, pyramidellid snails and other common pests.


Using Dry Rock has the following advantages:

  • Low initial cost on premium types of rock.
  • Pound for pound a way better value - no water weight.
  • Can be shipped standard UPS ground which saves a fortune on shipping.
  • Absolutely pest free. This is the most important reason. This allows you to completely avoid all of the most common aquarium pests that plague most aquarists.


NOTE: This rock does come out of the ocean and may have some dead material on it such as sponges or other critters. We strongly suggest soaking or curing the rock before use in an active aquarium.

Dry live rock is not available for shipment to Canada due to high tariffs. Please consider Reef Saver rock as it is not subject to these fees and is our favorite of the dry rocks available.



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  • Great price, ugly rock By George on 5/14/2016

    Bought this rock to setup a new 40 gallon breeder. The pics on the site looked great but when I got the rock I was very disappointed. There was no consistency of texture throughout any of the rocks. They just don't look right stacked together. I almost feel like it's multiple types of rock mixed together. Size was mostly large (football size) came with 6 pieces. I'm unable to return this for a refund or else I would. So now it's time to try to resell it and purchase a different type of rock. The other positive reviews helped sell me on this. Maybe I just got a bad batch but I won't be purchasing this type of rock again.
  • Great shape, big hassle By jwest on 5/9/2016

    BRS will select great pieces for you- no problem here. Rock is typical Fiji style rock and the staff does a nice job of selecting a variety of sizes and shapes.

    Upon ispection, rock looks pretty clean but there was a TON of dead matter in mine. Soaked in buckets, changing out water every day for almost a month and water always smelled awful. Scrubbed daily, even did vinegar bathes for each piece.

    Don't even think about adding directly to your tank. Overall a giant hassle. Maybe next time will try a full acid bath. TThere was the same problem with the Tonga plate/shelf rock.
  • Good rocks By oodog on 4/7/2016

    The rocks look nice but was got half a pound less than ordered.
    Still nice rocks though
    Also the packaging was very good, none of the rocks came broken
  • Couldn't be happier By jlynn859 on 3/28/2016

    I ordered about 50lbs of this. I received some great pieces. There were two really big pieces in my order, some medium pieces, and some smaller ones. I didn't know what to expect when ordering dry rock, and was very curious about the pieces I would be receiving. The people at BRS exceeded my expectations completely. I am also happy that the rock was placed in a bag before put in the box to be shipped, by the time it was delivered UPS had destroyed the box and was opened on the bottom.
  • A+ Service and Product By Kromlech on 3/28/2016

    ordered about 55 lbs of this rock and asked that BRS put in about 5 lbs of smaller rock, came exactly as I asked them for it. Rock is of good quality, and was pretty simple to clean and get ready for the tank.

    Thanks BRS
  • Awesome By Joshua on 3/26/2016

    Love this rock most of the rock i got each piece would fit in about a 5 inch square box and about a pound each......there is many crevices and you really wanna scrub the rock clean as it once was a live and had critters on them at one point in my eyes this is the best rock you can buy
  • replace some rock in established tank By pap on 3/22/2016

    Nice rock. cured for 2 1/2 weeks. put in established tank. time will tell.
  • Live dry rock By Nita on 3/22/2016

    I have ordered 14 lbs so far. The delivery is AWESOME only took three days. I'm a newbie to the hobby and I watch the videos everyday on you tube. I haven't been able to add live stock yet due to the fact that my nitrites are over the roof. I'm beginning to get discouraged but I'm not going to give up. I'll just keep swimming. Thank you for all the wonderful information on this site and on your channel.
  • Outstanding By BRS Dry Fiji Rock on 3/18/2016

    BRS hand picked rock that matched my request for size and shape, it may not always work out this way but I am glad it did. I believe this company still cares about customer service. Long story short, Thank you BRS for not disappointing me.
  • Great product By Erik on 3/9/2016

    Ordered had in 3 days asked for med to lrg pieces got exactly what I wanted next tank I set up I will order from brs
  • Surprisingly Good! By Bowlinggod on 2/27/2016

    I was hesitant about ordering rock that I didn't personally pick out. I ordered 25 lbs, and received 1 very large but gorgeous piece, and some non porous pieces perfect for a base, and several smaller pieces that fit like a charm. I feel like they knew exactly what I wanted, and the rock looks awesome in the tank.
  • Excellent quality rock By Jordan on 2/21/2016

    This rock is the real thing..I received nice big beautiful pieces and have had my tank running for about a month now and the rock was no problem to cycle. It is now handling my new pair of clowns no problem. This rock seemed to be the best choice for my expectations of looks while also incredibly pourious. Very satisfied. BRS also has an excellent YouTube channel..I learned a lot from their videos starting the hobby.

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