Editor's Choice - Our Favorite Freshwater Aquarium Décor Rocks

1. biOrb Feng Shui Pebble Pack

User Ratings: 71 5

biOrb 46053 First Impressions

"Thank you!"

I wanted a dark rock decoration for my 5 gallon. It took about a hour to clean the rocks off. I couldn't find these at any of the aquarium stores near me, chain or independent. The only thing that was frustrating was the wait time for the shipping. Since it's 17lbs obviously you're going to get mostly small rocks. If you are still questioning your purchase please re-read the headline. I also placed one or two inside her bathing dish to help her climb in and out better.

  • biOrb Feng Shui Pebble Pack
  • Add color to the bottom of your aquarium by placing these polished marble pebbles on top of the ceramic media
  • Compatible with Freshwater/Saltwater/Tropical aquarium set ups
  • Midnight Black is the color associated with banishing negative energy.
  • Promote the flow of positive energy throughout your home while giving your aquarium the 'finished look'.
  • Pebbles deepen in color when placed in water.
  • Manufacture: biOrb
  • Product Dimensions: 8.85 x 3.75 x 3 inches; 1 Pounds
  • Editor's Impressions Of The biOrb 46053
  • Quality [star rating='3.6']
  • Value For Money [star rating='3.5']
  • Affordability [star rating='3.6']

biOrb 46053 Final Thoughts

"This stone is gorgeous."

They are making these by sloshing resin around in a mold, so it's really thin. Other fish may not like the ph change. It took about a hour to clean the rocks off. Stones were perfect for my 5 gallon planted tank. Waiting in my second bag as I'm typing this. Great stones, came with 3 various sizes for the 5 lbs option. I used these for Aquarium decor and they look lovely in a planted tank.

Overall Score
4.4

[star rating="4.4"]
(579 Points)

Peoples Choice - Other Highly Rated Freshwater Aquarium Décor Rocks

2. SunGrow Aquarium Rocks and Powder, Enhances Shrimp's Color, Helps Shedding, Supplemental Food for Sh...

User Ratings: 56 14

SunGrow First Impressions

"No issues so far though."

The structure is roughly 14l x 6h x 4d. I was expecting this to be a thicker resin piece. In the 5lb box, I got two large, a medium, and a small piece. The resin color is dark, so no repainting needed. I switched up my plans a bit and everything was lovely. They get tossed around in shipping and chunks break off. When I opened the box I was so surprised and shocked.

  • SunGrow Aquarium Rocks and Powder, Enhances Shrimp's Color, Helps Shedding, Supplemental Food for Shrimps, Crayfish & Snails, Tasty Snack, 1.7 oz
  • MUST HAVE FOR GROWING SHRIMPS --- Are your shrimps losing color? Do they not look as healthy as before? Here is what you need - SunGrow Aquarium Rocks.
  • KEEP THEM HEALTHY AND HAPPY --- The freshwater Shrimps add vibrancy to your aquatic life and make great pets for both adults and kids alike. If you are breeding shrimps, this is a must-have product, especially Crystal red shrimps, Amano shrimps, and Ghost shrimps.
  • POWER PACKED FOOD --- These crustacean decapods love munching on the calcium-rich SunGrow rocks.
  • RUSTIC DECOR --- The applications of these rocks by SunGrow don’t just stop here! You can even make use of them in home furnishing by placing them in all the corners of a square or rectangular mirror. Else, place these on the center table of your living room in a bowl filled with water along with a few colored pebbles, marimos, and other plants.
  • VALUE FOR MONEY --- Every pack contains around 4 big rocks (1-1.2 inches on an average), and a few smaller rocks, surrounded by rock powder. One pack is enough for a 28-gallon tank and lasts 3 months. So it's not at all heavy on your pocket. They are small and take very little space. So they are great for your nano tanks, fish bowls and jars too!
  • Wash thoroughly with hot water to eliminate dust.
  • Use distilled vinegar to increase sanitizing power and to get rid of stubborn stains and smell.
  • Use bleach that is free of detergents and perfume. Add 1 cup to 9 cups of water and this creates another powerful mixture. However, please do not let it stay on any aquarium or any ornament(s).
  • Manufacture: Luffy Pets Collection
  • Item Weight: 2.46 ounces
  • Editor's Impressions Of The SunGrow
  • Quality [star rating='3']
  • Value For Money [star rating='3.2']
  • Affordability [star rating='3.4']

SunGrow Final Thoughts

"Great quality product."

I've bought quite a few packs to get the volume I needed. I wanted a large stone to stand out from the rest. I got 9 rocks in several sizes as noted in the pictures and several tiny chips. The big rocks and theses small ones go perfect together. Items delivered match the product description perfectly. I got these for a betta sorority tank. Great stones, came with 3 various sizes for the 5 lbs option.

Overall Score
3.8

[star rating="3.8"]
(221 Points)

3. Caribsea Life Rock

User Ratings: 73 6

CaribSea Aquatics 008479003768 First Impressions

"You will not be sorry."

They are the perfect little hideaways for them! Great product and it will definitely be buying more. Every living thing in both tanks are healthy and as far as I can tell happy. Items delivered match the product description perfectly. So glad I bought these for my tank. But it was definitely not what I expected. Shipping was very fast and the stones were in excellent condition.

  • Caribsea Life Rock
  • At an unprecedented 50% void space (macro and micro), you will be hard pressed to find a durable natural rock that has this magnitude of porosity
  • Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons
  • T is clean and safe for marine, reef and hard water freshwater aquariums such as African cichlids
  • Manufacture: Caribsea
  • Product Dimensions: 14 x 2 x 10 inches; 10 Pounds
  • Editor's Impressions Of The CaribSea Aquatics 008479003768
  • Quality [star rating='5']
  • Value For Money [star rating='3.9']
  • Affordability [star rating='5']

CaribSea Aquatics 008479003768 Final Thoughts

"Now let me say one thing."

Hope this helps anyone that was wondering how we got our rocks so dark. My only problem is trying to arrange them. They are making these by sloshing resin around in a mold, so it's really thin. I will not be able to get all 7 rocks in my Bio Orb 8 gallon tank. I got this for my 10 gal and it fits beautifully! The bag I received was 17lbs and the rocks were in good condition. My cichlid love hiding under the caves.

Overall Score
4.5

[star rating="4.5"]
(202 Points)

4. Aqua KT Aquarium Landscape Mountain View Cave Rock Decoration Fish Tank Ornament,Made of Resin

User Ratings: 75 2

Aqua KT First Impressions

"It's beautiful."

The price for the quantity of rock kind of drives me nuts. They are heavy and will slowly move if on a slope. Just trying to help you find good products for a good price. Got this for my betta fish, he LOVES it. I hate negative reviews for awesome items just because the buyer didn't read! Perfect to go around my water feature in my garden. Not sure why but I just expected more.

  • Aqua KT Aquarium Landscape Mountain View Cave Rock Decoration Fish Tank Ornament,Made of Resin
  • Looking like real, this rock adds natural environment to your aquarium landscaping.
  • Made of resin, realistic texture, no smell and safe for freshwater and saltwater environments.
  • 7.87 inch x 4.33 inch x 7.87 inch (length x width x height), the size is BIGGER than the same type in the market, very fit for goldfish, betta, cichild and so on.
  • Smooth surface, exquisite carving, fish can swim safely freely through the cave hole.
  • Provides shelter for fish, help them reduce stress and increase interest. You can add it into your 55 gallon, 110 gallon and other universal size fish tank.
  • Manufacture: Aqua KT
  • Editor's Impressions Of The Aqua KT
  • Quality [star rating='5']
  • Value For Money [star rating='4.7']
  • Affordability [star rating='4.4']

Aqua KT Final Thoughts

"Really nice."

I got these for a betta sorority tank. The largest of the remaining pieces was moderate sized and makes for a good Soeishi. I got a nice large piece that was about six or eight inches wide. Very surprised with how many rocks came with this order. The water deactivates it and makes it safe. The colors of the rocks are beautiful. I placed an order of 10ilbs for my 20g high.

Overall Score
4.6

[star rating="4.6"]
(152 Points)

Honorable Mentions - More Top Selling Freshwater Aquarium Décor Rocks

5. Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound

User Ratings: 75 6

Carib Sea 008479003706 First Impressions

"Really nice."

For the price, this should be solid resin. Bought 2 then I needed more so got one more. These are excellent stones and a great buy for the money! Just trying to help you find good products for a good price. We are working on the hardscape for our new 36G bow front. When I opened the box I was so surprised and shocked. The largest of the remaining pieces was moderate sized and makes for a good Soeishi.

  • Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound
  • At an unprecedented 50% void space (macro and micro), you will be hard Pressed to find a durable natural Rock that has this magnitude of porosity
  • Natural weathering processes form the fantastic shapes of South seas base Rock by the erosion and pitting of Limestone over the course of eons
  • Safe for all marine and high ph freshwater systems
  • Calcium Carbonate rock supports health ph
  • Made in the USA
  • Manufacture: TopDawg Pet Supply
  • Item Weight: 1 pounds
  • Product Dimensions: 1 x 1 x 1 inches
  • Editor's Impressions Of The Carib Sea 008479003706
  • Quality [star rating='5']
  • Value For Money [star rating='4.1']
  • Affordability [star rating='4.7']

Carib Sea 008479003706 Final Thoughts

"The grey or black."

I got these for a betta sorority tank. We are working on the hardscape for our new 36G bow front. We are working on the hardscape for our new 36G bow front. And I just realized they are using them to hide their babies. I am looking forward to getting my tank stocked up! I placed an order of 10ilbs for my 20g high. I wanted a dark rock decoration for my 5 gallon.

Overall Score
4.5

[star rating="4.5"]
(143 Points)

6. Galapagos 05136 Sea Glass for Aquarium, 4 lb, Pacific Mix

User Ratings: 72 7

Galapagos 759834051398 First Impressions

"So far so good."

It was plenty for the tank I wanted to scape. Com tell them I sent you for an extra not a damn thing at check out. Worth every penny, my nano looks great. My only problem is trying to arrange them. For the price, this should be solid resin. Shipping was very fast and even came early. I will not be able to get all 7 rocks in my Bio Orb 8 gallon tank.

  • Galapagos 05136 Sea Glass for Aquarium, 4 lb, Pacific Mix
  • Unique Freshwater and Saltwater Bedding!
  • Beautiful Beach Sea Glass
  • Washed and Cleaned to Remove Dust and Small Particles
  • Mix and Match!
  • Available in Many Colors!
  • Manufacture: Galapagos
  • Product Dimensions: 6 x 6 x 3.5 inches; 4 Pounds
  • Editor's Impressions Of The Galapagos 759834051398
  • Quality [star rating='4.5']
  • Value For Money [star rating='3.7']
  • Affordability [star rating='5']

Galapagos 759834051398 Final Thoughts

"Very nice."

It's a good price for what you get. If you see black substrate, that was still waiting for the 2nd bag. But it was definitely not what I expected. I love the look and color of this stone. Love these rocks and you usually get 1 big, 3 Med and the rest small. Shipping was very fast and even came early. Also, if you need any manzanita or any other driftwood.

Overall Score
4.3

[star rating="4.3"]
(109 Points)

7. iDecor Fish Tank Rocks - Glow in The Dark Rocks - Aquarium Rocks - 100pcs Medium Sized Rocks - Perfe...

User Ratings: 59 12

iDecor First Impressions

"Did buy again."

The resin color is dark, so no repainting needed. It's not difficult but you need rinse over and over to get the water clear. Will most likely buy more in the future. Waiting in my second bag as I'm typing this. I switched up my plans a bit and everything was lovely. I also placed one or two inside her bathing dish to help her climb in and out better. Items delivered match the product description perfectly.

  • iDecor Fish Tank Rocks - Glow in The Dark Rocks - Aquarium Rocks - 100pcs Medium Sized Rocks - Perfect for Any Garden, Patio, Lawn, Pathway, Indoor Plant Pot and Fish Tank Glow Decorations
  • ★ VIBRANT AND CALMING BLUE GLOWING STONES - Your Aquarium rocks illuminate any fish tank with a vibrant and calming blue glow, giving your tank an aquatic and colorful look! These blue aquarium rocks will bring more life to any aquarium, you’ll notice how your stones easily rest at the bottom and provide ample glow and how natural they look in any setting, whether for a tropical, cold water, freshwater, marine, brackish, betta tank and more!
  • ★ SAFE & HIGH QUALITY - We’ve crafted each stone out of 100% safe and natural resin, making them non-toxic to people and your aquariums’ environment. The resin of your fish aquarium rocks also keeps their superior quality for a lifetime, with no sharp edges and a finely polished finish for your fish to feel right at home.
  • ★ 100PCS MEDIUM SIZED - Each package of glow in the dark aquarium rocks features 100 medium-sized pebbles. 1 packet is sufficient to evenly cover a small fish tank or aquatic feature. Making your aquarium rocks the perfect solution to a pleasing fish tank base or supplement with non-glowing rocks for a starlight look and feel. The size also aids in easy and quick tank cleaning.
  • ★ EASY & LASTING CHARGE - Your blue aquarium rocks charge naturally in sunlight and give off up to 5 hours of bright glow followed by a gradual and calming dim that lasts until morning. You will also find that if charged, your rocks will glow vibrantly each night for up to16 years. Just set and forget! If your fish aquarium rocks have good natural light you can be sure of a colorful and lively glow for nights to come!
  • ★ BETTER GLOWING EFFECT - Do not scatter these garden pebbles to use and put about 10 pcs. or more together. Our engineers' test result is 1 individual stone can only glow about 3h and not bright 5 - 10 stones put together can glow about 5h and bright 100 or more put together can glow about 7h and very bright.
  • Manufacture: LL Company
  • Item Weight: 7.2 ounces
  • Editor's Impressions Of The iDecor
  • Quality [star rating='3.4']
  • Value For Money [star rating='4.9']
  • Affordability [star rating='4.4']

iDecor Final Thoughts

"Nothing was damaged."

These are just what I needed to creat stone walks in my model railroad park. Every living thing in both tanks are healthy and as far as I can tell happy. It's a good price for what you get. I was very pleasantly surprised with these dragon stones. I hate negative reviews for awesome items just because the buyer didn't read! It's not difficult but you need rinse over and over to get the water clear. They get tossed around in shipping and chunks break off.

Overall Score
4.0

[star rating="4"]
(102 Points)

8. biOrb 46084.0 Moss Pebbles Aquariums

User Ratings: 70 3

biOrb 46084.0 First Impressions

"Nice big pieces of slate."

Originally I set up a waterfall with them, but decided to fill the tank all the way. So I bought these thinking I'd get much bigger pieces. They are heavy and will slowly move if on a slope. Just be prepared to buy several bags if you have a 20+ gallon. I got these for a betta sorority tank. They get tossed around in shipping and chunks break off. I got a nice large piece that was about six or eight inches wide.

  • biOrb 46084.0 Moss Pebbles Aquariums
  • Add Color to the base of your Aquarium with these Moss pebbles
  • Compatible with freshwater/Saltwater/Tropical Aquarium set ups
  • Fish friendly
  • Item Package weight : 0.8 pounds
  • Manufacture: Deepwater Aquatics Distribution
  • Product Dimensions: 2.17 x 4.33 x 10.32 inches; 12.8 Ounces
  • Editor's Impressions Of The biOrb 46084.0
  • Quality [star rating='4.1']
  • Value For Money [star rating='4']
  • Affordability [star rating='4.3']

biOrb 46084.0 Final Thoughts

"So pretty."

After playing with them for awhile now. Waiting in my second bag as I'm typing this. I'll order this again, but for now I have more than I need! It's simple slate rock but it's natural and really great for my box turtle terrarium. I got a nice large piece that was about six or eight inches wide. The shapes very interesting and pleasant to look at. Photo 5 is a sample layout for my 45cm tank.

Overall Score
4.5

[star rating="4.5"]
(90 Points)

9. DR. Moss Cichlid Stone 5 pc Luxury Set - Ceramic Rock Cave Aquarium Decorations - Fish Tank Decor

User Ratings: 51 16

Aquarium Equip First Impressions

"I bought 2 for a 2."

Photo 5 is a sample layout for my 45cm tank. For an Iwagumi layout, this would be the Oyaishi. And I just realized they are using them to hide their babies. I'll order this again, but for now I have more than I need! If you see black substrate, that was still waiting for the 2nd bag. The colors of the rocks are beautiful. I use it in my resin art work and it looks fantastic!

  • DR. Moss Cichlid Stone 5 pc Luxury Set - Ceramic Rock Cave Aquarium Decorations - Fish Tank Decor
  • Provides natural like shelter.Great for bottom dwellers.Perfect for breeding. This aquarium decoration provides visual interest for you and your fish. Holes provide a hideaway for your fish to rest or hide reducing stress and aggression
  • Material Ceramic 100%.Great shelter for plecos,shrimps, small fishes, baby fishes. These cichlid stone replicas are perfect for cichlid tanks since this fish is territorial and must create their own space. These decorative aquarium ornaments mimic what is found in an oceanic environment.
  • Smooth surface can act as a breeding ground for fish. This aquarium decoration is safe for use in both freshwater and saltwater aquariums. Additional stones can be purchased separately to create even larger displays.
  • Design a natural living environment for the fish to shelter or to generate. The material is ceramic,it can filter and purify the water. It is suitable for small bream, cichlids when they need a rest or breed.
  • ▲1 SET of 5 ROCK.▲ Aquarium Ornament Fish Tank Cichlid Stones Multi-Function Beer amid, Breeder, Shelter, Filter, Decoration. Specially made with ceramic material that possess filtration function for aquarium. 100% Brand New and High Quality Please do not hesitate to buy ,any problems we will try our best to help you : )
  • Manufacture: DR. MOSS
  • Product Dimensions: 8 x 6.3 x 2.9 inches; 1.6 Pounds
  • Editor's Impressions Of The Aquarium Equip
  • Quality [star rating='4.5']
  • Value For Money [star rating='3.2']
  • Affordability [star rating='3.9']

Aquarium Equip Final Thoughts

"I have a 75 gallon tank."

I got a nice large piece that was about six or eight inches wide. And placed in a 36 gallon bowfront. Honestly it's a good idea to have some glue on hand anyways. Great stones, came with 3 various sizes for the 5 lbs option. Com is the only place I trust for my tanks. Super happy with what, only downside is I should've bought 2. Great seller, great product, great price!

Overall Score
3.8

[star rating="3.8"]
(62 Points)

10. Carib Sea Aquatics Life Rock Display Box, 20 lb

User Ratings: 65 5

Carib Sea 25376 First Impressions

"Exactly what I hoped for."

These glow very brightly and are super light weight. So I bought these thinking I'd get much bigger pieces. I couldn't find these at any of the aquarium stores near me, chain or independent. This isn't even all of them in the photo. Truly something unique that will appeal to any aquarist. So glad I bought these for my tank. If you are thinking about buying these, DO IT.

  • Carib Sea Aquatics Life Rock Display Box, 20 lb
  • At an unprecedented 50% void space (macro and micro), you will be hard pressed to find a durable natural rock that has this magnitude of porosity
  • Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons
  • T is clean and safe for marine, reef and hard water freshwater aquariums such as African cichlids
  • Assorted
  • Manufacture: CaribSea, Inc
  • Product Dimensions: 12 x 16 x 8 inches; 19.9 Pounds
  • Editor's Impressions Of The Carib Sea 25376
  • Quality [star rating='4.6']
  • Value For Money [star rating='4.8']
  • Affordability [star rating='4.9']

Carib Sea 25376 Final Thoughts

"These are GORGEOUS."

Dragon stone has a nice reddish tone to it so it really stands out. Not sure why but I just expected more. Truly something unique that will appeal to any aquarist. When I keep it lit for at least an hour, it stays glowing for at least three hours. I love the look and color of this stone. Just trying to help you find good products for a good price. Would definitely love to repurchase this item.

Overall Score
4.3

[star rating="4.3"]
(58 Points)

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