Bulk Reef Supply

BRS Fiji Dry Live Rock (RETIRED)

In stock
Out of stock

Discontinued by Bulk Reef Supply
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Sold by the pound


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.


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.


How much rock do I need?

Knowing exactly how much Dry Live Rock you will need can be one of the hardest questions to answer since every tank's aquascape and rock will be slightly different. For a general guideline for Fiji Dry Live Rock, we suggest 3/4 pounds of rock per gallon of display tank volume and may vary depending on your overall goal for the aquascape. We always recommend purchasing a little extra dry rock to ensure that you will have enough to complete the aquascape you are looking for, any extra rock can always be broken up and placed in your refugium, overflows, and sump for added filtration.


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.


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

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Product Questions

I am new to saltwater. I have had freshwater in past. Can this dry rock convert to live rock? If so, how much would I need for 55gal?
Question by: Vicky on Jul 27, 2016, 11:05 AM
Hi Vicky,
Our Dry Live Rock once cured will be almost identical to the wet Live Rock you would purchase at the local fish store. Curing is a very simple process and just takes time, and then bacteria will start to populate on the surface making the dry live rock “live” again.
Usually, when it comes to purchasing Dry Live Rock we suggest right around ¾ to 1 pound per gallon of display tank volume. That will allow most people to create an average aquascape in their tank, however if you do like minimal amount of rock or a lot of rock in your tank you may want to sway to either end of that spectrum. It never hurts to buy more than you need as any extra can always be used in the sump. : )
Answer by: Charlie on Jul 27, 2016, 1:43 PM
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 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 on May 11, 2016, 6:33 PM
How do I know what size I am getting?
Question by: Jordan M on May 1, 2016, 9:12 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 on May 3, 2016, 4:36 PM
If order 20 lbs of dry rock will I get only small size rocks
Question by: Adrian on Apr 15, 2016, 10:01 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 on Apr 20, 2016, 12:28 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 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 https://www.bulkreefsupply.com/shipping-delivery
Answer by: Connor on Apr 19, 2016, 10:53 AM
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 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 on Mar 28, 2016, 11:12 AM
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 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 on Mar 16, 2016, 10:46 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 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 PM
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 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 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 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 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 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 AM
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 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 AM
Can this rock be used to cycle a new tank?
Question by: Ed on Oct 19, 2013, 10:13 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 AM