BRS Tonga Shelf (Flat Plates) Dry Live Rock

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BRS Tonga Shelf (Flat Plates) Dry Live Rock

100% Recommend this to a friend (18 of 18)

SKU: 000713

reg. $2.99

Special Price: $2.54

In Stock: 339 Pounds
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Quick Overview

Tonga Shelf Plate Rock has come in many different sizes and shapes with no base.

Sold by the Pound - no minimum order

Unable to ship to Canada

Tonga Shelf Plate Rock, perfect for overhangs, caves and holding lots of corals in large tanks. Free of nuisance algae and pests. Shelf with base pieces is more three dimensional than the flatter plate pieces. These pieces do not have any base or stem and can easily accept a small piece of rock to form a base or be added to an existing structure.

Rock Selection: Due to the wide variety of unique sizes and shape of this rock it is impossible to fulfill orders to exact dimensions but we are happy to make every attempt to get as close as possible if you leave notes on what you are looking for in the order comments section of the checkout.

Shipping Notes: Tonga Shelf can be fragile. BRS makes every effort to securely pack the Tonga Shelf.  However, the UPS automation is not always gentle on heavy products like this and they do not consider this product insurable. Because of this, there is some inherent risk with shipping rock like this across the country and it is impossible to replace or refund broken pieces. If this happens most pieces can be repaired with epoxy.

BRS recommends curing all rock before being used in an established system


Full Details

Like all of our dry rock Tonga Shelf is free of nuisance algae and pests which can cause complete tank shut downs and is guaranteed to be free of aiptasia, 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 and rock will be slightly different. A general guideline for Tonga Shelf Dry Live Rock, we suggest 1 pound 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.


Picking: When ordering rock any notes for size, shape, or concerns can be left in the "Order Comments" field during check-out step #3. Our picking department will do the best to follow the notes on the order.


Shipping: Tonga Shelf can be fragile. BRS makes every effort to securely pack the Tonga Shelf. However, we have no control how UPS handles it and it may break during shipping. Unfortunately, this is not covered by insurance so we are unable to replace broken pieces.


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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  • good value, didnt get what i asked for By Dodgersfan on 10/16/2017

    i ordered 8 pounds and asked for 4 smaller pieces, 2 round and 2 oval, the oval pieces i got were nice, the "round" ones were squares that i don't think I'm going to use. still this stuff is so porous that you really get a lot of bang for your buck.
  • Awesome rock By Roger on 7/28/2017

    Ordered the minimum and received a great piece with two small legs and another smaller piece with one tiny leg. Absolutely a great value for the money!
  • Ordered 4 pounds By Joshua on 7/20/2017

    Was worried about how much to get never had the rock before so I ordered 4 pounds just to look at it very impressed I'm ordering more now but really got more than I thought I would 6 pieces and one is a real nice size the rest are great for a coral or two. Thanks again great job as always
  • Awesome By Zelotes on 6/29/2017

    After a bit of a let down on the large 20+" shelf rock that arrived broken I must say I'm thoroughly impressed. I ordered 15 pounds and i think i actually received about 20 pounds. 2 large plates and 1 smaller. I couldnt be happier this go round. Thanks BRS for making the set up of my first Reef Tank a very enjoyable experience!! I'm getting closer!✊
  • Great Shelf rock on a Budget By melian on 5/3/2017

    were noobs i dived into salt water tank no fricken clue .we started with 13 gallon Fluvial Evo ended up buying a 45 gallon jbj also or something like that two tank yep . one in the bedroom aka woman cave one in living room . Any how i wanted shelf rock for the evo just was not enough hiding and coral area which i plan to add down the road .i expected tiny pieces nothing huge or or long .I got four very nice selections 1 of each size one with shells in it to more than i needed but i plan to expand the evo to a 22 gallon later on so save it . You ladies and men really impressed these noobs we are new to salt water we have tiny 17 ft pond with koi well i took a broom to my spouse heads after watching one your you tube videos . but now we torn what to house in the evo now we have emerald crabs and bumble bee snails and couple baha snails and lovely algae for them to dine on . we per perplexed what to do we get a court jester or a couple hector goby fish or few green banded goby .we had wanted wheeler and shrimp but we like the action our crabs give us .hate to see the shrimp kill them .
    But any how you all rock and sell great live rock you would foolish if you not buy here clean rock quality also .
  • My wife's favorite pieces of shelf rock By Wade on 4/20/2017

    I ordered 20 lbs and received 2 very large pieces that almost looked identical to the ones pictured! Couldn't be happier with this product for the price!
  • Great looking pieces By Bardo on 4/7/2017

    Ordered just 5lbs and got 3 pieces. Just what I need to add a couple of shelves on to my Pukani. Looks great.
  • Phenominal flat rock! By Blackhawkfan on 3/13/2017

    Great rock for making shelves!
  • exacly what i asked for By Joe on 3/11/2017

    thanx brs i asked for smoll round pieces and got that in spades
  • Good By Kevo on 2/14/2017

    I like it
  • Even better than what I expected. By Doug on 2/11/2017

    Wanted a large slab and got a huge piece that was bigger than I expected and weighed more than what I payed for. Thanks BRS.
  • BRS Tonga Shelf (Flat Plates) Dry Live Rock By Mike. on 2/2/2017

    I have a 125 gallon reef tank and the dry rocks fit my specific needs and got exactly what I requested.


Ask a question

Product Questions

Could I use 1 or 2 pieces of this in an reef tank that is up and running or would it cause my tank to recycle?
Question by: Marc Holmes on Oct 9, 2017 1:44:00 PM
Hey there,
Thanks for getting in touch with us in regards to adding this rock into an existing tank. This can be done, however this rock does have a lot of dead organics trapped within it that will cause your nutrient levels to spike. I personally would use water from my waterchanges each time to change out a 5G bucket that has a pump and heater in it to cycle the rock before adding it to the system. If you want something that you could add directly to the tank without and negatives I would use the product that I have linked below. This is a great natural alternative that is aesthetically appealing and contains no organics that will dirty your tank. Please let me know if there is anything else that we can assist with. Thanks!
Answer by: Tyler Schafer (Admin) on Oct 14, 2017 3:48:00 PM
Around how many pounds is a flat plate of 10 inches across by 7 inches wide?
Question by: Arlo on Dec 27, 2016 7:41:00 PM
Hey there,
While it's hard to know exactly as there is some variation in plate thickness and density, I would expect a piece of that size to be around 4-5lbs.

Have a great day!
Answer by: Zack (Admin) on Dec 30, 2016 4:04:00 PM
Great question! That size of piece is going to be around 8-10 lbs. :-)
Answer by: Randy (Admin) on Jan 2, 2017 7:23:00 AM
Is it possible to get the shelf rock in 18 inch by 18 inch pieces?
Question by: Robert Benedict on Jan 26, 2017 6:58:00 PM
Great question! Unfortunately, we are not able to provide custom rock orders. Although we can get as close to an 18" wide shelf piece as possible, if you order that 18" piece we cannot guarantee a piece that will be 18" long as well. :-)

Answer by: Randy (Admin) on Jan 29, 2017 7:45:00 PM