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CaribSea Life Rock Shapes - 20lb Box


Item #: CS00381

Ships Free!

In Stock

Remember what live rock used to look like? Dramatic shapes. rugged, porous, and bursting with pink and purple coralline algae? Nothing could match the magnificent live rock flown in from remote Pacific reefs, until now, with Life Rock Shapes. NO curing, ready to use now with NO pH spikes, NO hitchhikers, and NO nitrate worries. Incredible macro and micro porosity infused with living, spored bacteria. No sorting through hundreds of rocks to find that one gem, every piece is a masterpiece. The environmentally responsible open, light shapes provide losts of cover and display area for marine life. Unique 3-D shapes leave lots of open water and no dead zones. Made from natural, aragonitic rock. Selection includes arches, caves, tunnels and more. Every box is different, selection may vary, most boxes have 4-5 pieces.

Please Note: Each box will contain a variety of rocks of different sizes and shapes. We are unable to take any special requests for rocks of a particular dimension or size. Because of the fragile nature of this rock, it is possible for the rock to break during shipment. We do our best to package the rock sufficiently to minimize damages. As UPS does not consider this item insurable, we are unable to replace or refund damaged pieces.

It is possible to attach multiple pieces together using aquarium epoxy in order to make large shelves or repair damaged rock.

Manufacturer information

At CaribSea we take aquariums seriously. Since 1972 we have supplied hundreds of public aquariums, zoos, aquaculture facilities, public and private institutions, and hundreds of thousands of dedicated aquarists with the highest quality marine and freshwater products. CaribSea has been in the forefront of the principle that substrates are a piece of equirment, not just a decorative afterthought. Caribsea substrates are as precisely engineered as any piece of advanced equipment used by today`s hobbyists and professionals. CaribSea products are the chemical support, biological filtration, and biodiversity backbone for many of the most spectacular aquatic displays ever created. We are now celebrating our 35th year in the business, and our product line has continued to grow; making CaribSea your aragonite source and so much more.

5 Stars


Reviewed on
January 21, 2021

No, I would not recommend this.

all broken

no brainer, stupid ass packed rock all together in the box.

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Reviewed on
January 19, 2021

Yes, I would recommend this.

Great product, broke in shipping but turned out for the better.

Pros: Ready to use, easy to glue and scape, has live bacteria, looks good day one due to purple covering

Cons: Most rock shapes broke apart in shipping, but wasnt much of a con and actually helped me scape.

At 1st I was disappointed when I received the reef rock. Inside the packaging most of the rocks had been broken in shipping. Once I began to aqua scape I realized that the rock breaking and shipping actually did me a favor and made it possible for me to create some really interesting scapes. Overall this is a great product at a great price and anyone who purchases will have no problem creating an awesome aqua scape.

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Reviewed on
December 30, 2020

Yes, I would recommend this.

Good looking but Fragile

Pros: Nice Shapes

Cons: Fragile

I purchased these understanding that there would be a good chance I would receive some broken pieces based on other reviews but hoped for the best. Unfortunately, all four pieces had multiple broken pieces which is a shame because they are beautiful rock shapes. They were packed well in bubble wrap and peanuts but there not strong enough to withstand shipping.

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Reviewed on
August 21, 2020

Yes, I would recommend this.

Good but not Great

Pros: Donut and Arch

Cons: Helmet/Bowl piece

I had higher expectations for the types of shapes I would receive. I got one small donut, one large helmet/bowl shape, and one medium arch. There were 2 small breaks which is unavoidable. Overall they are nice and add some different looks from typical rock, but the helmet shape is kind of odd and hard to fit into the aquascape. I propped it up vertically so it forms a semi cave, but the opening to it is fairly small. If I had a clearer idea of the shapes I was getting I probably wouldn't have been as disappointed. I would still recommend and buy again.

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Reviewed on
July 09, 2020

Yes, I would recommend this.

Great rock great price

Pros: Great Color and shapes

Cons: Breaks easy compared to other rocks

Impressed with the The shapes I got and it was 4 lbs more then I ordered which was great! would be giving five stars however two of my rocks were broken I’m assuming during shipping. No big deal I have a big tank so I made them work but I could see how someone may be disappointed to have big white spot in contrast to all the purple.

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Reviewed on
May 27, 2020

Yes, I would recommend this.

Great Live Rock

Pros: Awesome pieces, Good price

Cons: Sometimes arrive broken

I swear by Carib sea live rock and these shapes makes it easy to make cool aquascapes!

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Reviewed on
May 04, 2020

Yes, I would recommend this.

JA nano

Pros: color was as expected, shapes were awsome

Cons: pieces were large, smaller pieces would work better in Nano tank

I am very happy with the look of CaribSea shapes, it looks amazing in my tank

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Reviewed on
April 23, 2020

Yes, I would recommend this.

Great live dry rock

Great shapes, 4 stars as i had one of my 4 pieces cracked.

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Reviewed on
April 18, 2020

Yes, I would recommend this.

Great Rocks

Pros: purple color, porous

Cons: non

Rocks are great, make sure to rinse them they have lots of dust. the purple color is great as well. really light not heavy.

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Reviewed on
April 16, 2020

Yes, I would recommend this.

Great Color and Shapes

Pros: Color and No hitchhikers

Cons: None

Great color and is free of pests.

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