Editor's Choice - Our Favorite Penn-Plax Aquarium Décor Rocks

1. Penn-Plax Floating 8 Pc Rock

User Ratings: 36

Penn-Plax FORB4 First Impressions

"Still stays put though."

The only thing that was frustrating was the wait time for the shipping. I was expecting this to be a thicker resin piece. If you are still questioning your purchase please re-read the headline. He hides in it all the time and so far he hadn't torn any fins. I really hope they upload the other 3 pictures. I love the look and color of this stone. The best part about this product was that it came with additional plants.

  • Penn-Plax Floating 8 Pc Rock
  • These gravity defying natural rocks float beneath the water line in your aquarium! In addition to looking cool and being a great conversation piece
  • SpongeBob Square Pants lives in a pineapple house located at 124 Conch Street in Bikini Bottom
  • This product is made in China
  • Manufacture: Penn Plax, INC.
  • Product Dimensions: 6.5 x 6.5 x 8.3 inches; 1.85 Pounds
  • Editor's Impressions Of The Penn-Plax FORB4
  • Quality [star rating='3.9']
  • Value For Money [star rating='4.6']
  • Affordability [star rating='4.8']

Penn-Plax FORB4 Final Thoughts

"It wasn't horrible."

I switched up my plans a bit and everything was lovely. He hides in it all the time and so far he hadn't torn any fins. And I just realized they are using them to hide their babies. Worth every penny, my nano looks great. But it was definitely not what I expected. Worth every penny, my nano looks great. The rocks were REALLY dusty, covers with a lot of clay.

Overall Score
3.8

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

Peoples Choice - Other Highly Rated Penn-Plax Aquarium Décor Rocks

2. Penn-Plax Betta World Natural River Rock Aquarium

User Ratings: 71

Penn-Plax BWD22 First Impressions

"This is just beautiful!"

Bought 2 then I needed more so got one more. My cichlid love hiding under the caves. 2 small rocks and 4 medium ones and one large stone. I may have even used too much rock but I love how the scape came out with this rock. Just hit the add to cart and wait until you get the dust off and see them wet. I was expecting this to be a thicker resin piece. The result is a beautiful black rock with white lines.

  • Penn-Plax Betta World Natural River Rock Aquarium
  • These natural river rocks are perfect for aquariums, terrariums, and planters
  • No matter what environment you choose to add these wonderful rocks to your pet and you will them
  • SHOP PENN PLAX: Penn Plax sells a wide variety of pet supplies, for animals both big and small
  • Manufacture: Penn-Plax
  • Product Dimensions: 4 x 1.5 x 6 inches; 11.99 Ounces
  • Editor's Impressions Of The Penn-Plax BWD22
  • Quality [star rating='4']
  • Value For Money [star rating='4']
  • Affordability [star rating='4.9']

Penn-Plax BWD22 Final Thoughts

"I have 55 gal."

I am only giving 4 star because I had no way to request a larger stone after order. Super happy with what, only downside is I should've bought 2. I'm always hesitant to buy it online, but this was a good transaction. These are just what I needed to creat stone walks in my model railroad park. Great seller, great product, great price! The resin color is dark, so no repainting needed. And placed in a 36 gallon bowfront.

Overall Score
4.7

[star rating="4.7"]
(5 Points)

3. Penn-Plax Free Floating Rock

User Ratings: 50

Penn-Plax FORB2 First Impressions

"Would recommend!"

My order came with large and small pieces allowing for some good combinations. Bought 2 then I needed more so got one more. They get tossed around in shipping and chunks break off. I switched up my plans a bit and everything was lovely. You should never buy rocks but there's no Dragon stone down by the river. If you are still questioning your purchase please re-read the headline. Just hit the add to cart and wait until you get the dust off and see them wet.

  • Penn-Plax Free Floating Rock
  • Country Of Origin: China
  • The Package Length Of The Product Is 2.5 Inches
  • The Package Width Of The Product Is 4.8 Inches
  • The Package Height Of The Product Is 7.0 Inches
  • Manufacture: Penn Plax, INC.
  • Product Dimensions: 2.5 x 4.8 x 7 inches; 3.44 Ounces
  • Editor's Impressions Of The Penn-Plax FORB2
  • Quality [star rating='4']
  • Value For Money [star rating='4.5']
  • Affordability [star rating='4.4']

Penn-Plax FORB2 Final Thoughts

"Nothing was damaged."

I love the look and color of this stone. When I opened the box I was so surprised and shocked. We ended up with two custom plants in the end, and a nicer custom rock. Shipping was very fast and even came early. Items delivered match the product description perfectly. And placed in a 36 gallon bowfront. It was plenty for the tank I wanted to scape.

Overall Score
3.8

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

4. Penn-Plax Rock Terraces - 11.5" x 6" x 5.25"

User Ratings: 24 23

Penn-Plax PEN-131 First Impressions

"I ordered 2 sets."

This isn't even all of them in the photo. I placed an order of 10ilbs for my 20g high. Shipping was very fast and even came early. My buddy said he found a better deal on etsy. I also placed one or two inside her bathing dish to help her climb in and out better. Dragon stone has a nice reddish tone to it so it really stands out. I am looking forward to getting my tank stocked up!

  • Penn-Plax Rock Terraces - 11.5" x 6" x 5.25"
  • 5.25" high rock terrace aquarium ornament
  • Crafted from non-toxic resin
  • This product is made in China
  • Manufacture: Penn-Plax
  • Product Dimensions: 6.4 x 1.8 x 6 inches; 1.32 Pounds
  • Editor's Impressions Of The Penn-Plax PEN-131
  • Quality [star rating='2.9']
  • Value For Money [star rating='3.3']
  • Affordability [star rating='3.4']

Penn-Plax PEN-131 Final Thoughts

"So far so good."

And will change the hardness and ph of your water as it leeches. I will not be able to get all 7 rocks in my Bio Orb 8 gallon tank. Super happy with what, only downside is I should've bought 2. It was well worth time and effort to get them clean. The rocks were REALLY dusty, covers with a lot of clay. Love these rocks and you usually get 1 big, 3 Med and the rest small. I placed an order of 10ilbs for my 20g high.

Overall Score
3.0

[star rating="3"]
(3 Points)

Honorable Mentions - More Top Selling Penn-Plax Aquarium Décor Rocks

5. Penn-Plax Floating 2 Pc A Rock

User Ratings: 65

Penn-Plax FORB3 First Impressions

"I bought 2 for a 2."

The water deactivates it and makes it safe. And I just realized they are using them to hide their babies. Com tell them I sent you for an extra not a damn thing at check out. The shapes very interesting and pleasant to look at. And placed in a 36 gallon bowfront. 2 small rocks and 4 medium ones and one large stone. They match perfectly to my center piece and the cichlids love hiding in them.

  • Penn-Plax Floating 2 Pc A Rock
  • These Gravity Defying Natural Rocks Float Beneath The Water Line In Your Aquarium! In Addition To Looking Cool And Being A Great Conversation Piece
  • Runs On 2 D Batteries
  • This Product Is Made In China
  • Package Dimensions: 4.5" L X 6.0" W X 7.8" H
  • Manufacture: Penn Plax, INC.
  • Product Dimensions: 4.5 x 6 x 7.8 inches; 11.2 Ounces
  • Editor's Impressions Of The Penn-Plax FORB3
  • Quality [star rating='4.3']
  • Value For Money [star rating='5']
  • Affordability [star rating='3.4']

Penn-Plax FORB3 Final Thoughts

"Its a fortune."

It was plenty for the tank I wanted to scape. Perfect size just what I needed not as many as I expected. When I opened the box I was so surprised and shocked. For the price, this should be solid resin. I had to break up some of the larger ones to fit what I was looking for. The best part about this product was that it came with additional plants. Trying shipping this much heavy stone.

Overall Score
4.3

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

6. Penn-Plax Deco Replicas Resin Aquarium Ornament

Penn-Plax RR991 First Impressions

"Very pleased."

It looks nice, and my kids had fun choosing which parts to hot glue onto the rock. And placed in a 36 gallon bowfront. No I dont work for them and no I dont get anything for saying that. They are worth very dollar, and a very good price. I used these for Aquarium decor and they look lovely in a planted tank. They match perfectly to my center piece and the cichlids love hiding in them. Absolutely perfect for use in my 20 gallon aquarium.

  • Penn-Plax Deco Replicas Resin Aquarium Ornament
  • Designed for fresh and sale water aquariums
  • Real coral reef look allows fish to swim through the holes and use them as a hiding place for larger fish
  • Stands 8" high
  • Manufacture: Penn Plax, INC.
  • Product Dimensions: 9 x 4 x 8 inches; 1 Pounds
  • Editor's Impressions Of The Penn-Plax RR991
  • Quality [star rating='5']
  • Value For Money [star rating='4.5']
  • Affordability [star rating='5']

Penn-Plax RR991 Final Thoughts

"Nice big pieces of slate."

I hate negative reviews for awesome items just because the buyer didn't read! I really hope they upload the other 3 pictures. Every living thing in both tanks are healthy and as far as I can tell happy. My cichlid love hiding under the caves. Honestly not much more I can say about rocks. It's simple slate rock but it's natural and really great for my box turtle terrarium. You definitely get a lot of slate for the price.

Overall Score
5.0

[star rating="5"]
(1 Points)

7. Pisces 17lb Seiryu Rock for Aquascaping, Aquariums, Terrariums, Vivariums

User Ratings: 76 3

Pisces AM-ROCK001 First Impressions

"This rock is beautiful!"

I got a nice large piece that was about six or eight inches wide. I'm pretty happy with the rock I received. They are the perfect little hideaways for them! I am looking forward to getting my tank stocked up! The holed rock formation is a nice design, but the material being is way too thin. Great product and it will definitely be buying more. Com tell them I sent you for an extra not a damn thing at check out.

  • Pisces 17lb Seiryu Rock for Aquascaping, Aquariums, Terrariums, Vivariums
  • age_range_description: All Life Stages
  • included_components: Approximately 1 x large piece, 2 x medium pieces, 3 - 4 small pieces.
  • Rinse before use
  • Manufacture: Pisces USA
  • Product Dimensions: 5.5 x 11.81 x 5.5 inches; 17 Pounds
  • Editor's Impressions Of The Pisces AM-ROCK001
  • Quality [star rating='4']
  • Value For Money [star rating='5']
  • Affordability [star rating='4.6']

Pisces AM-ROCK001 Final Thoughts

"Great quality product."

So glad I bought these for my tank. I purchased these for decor for my aquarium and I adore how they turned out. It's not difficult but you need rinse over and over to get the water clear. The rocks were REALLY dusty, covers with a lot of clay. I thought the price was great for the quantity and quality as well. Def need to clean before putting in your tank. I got these for a betta sorority tank.

Overall Score
4.5

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

8. Pisces 13 lb Strata Rock, Varies

User Ratings: 53 26

Pisces AM-ROCK002 First Impressions

"I have a 75 gallon tank."

In the 5lb box, I got two large, a medium, and a small piece. I really hope they upload the other 3 pictures. I wanted a dark rock decoration for my 5 gallon. After playing with them for awhile now. Truly something unique that will appeal to any aquarist. We ended up with two custom plants in the end, and a nicer custom rock. I couldn't find these at any of the aquarium stores near me, chain or independent.

  • Pisces 13 lb Strata Rock, Varies
  • Aquarium safe
  • Amano Style
  • Reptile safe
  • Manufacture: Pisces USA
  • Product Dimensions: 7.87 x 11.81 x 7.87 inches; 13 Pounds
  • Editor's Impressions Of The Pisces AM-ROCK002
  • Quality [star rating='2.5']
  • Value For Money [star rating='4.5']
  • Affordability [star rating='4.3']

Pisces AM-ROCK002 Final Thoughts

"I'm keeping them!"

The structure is roughly 14l x 6h x 4d. Overall, a great natural-looking stone in an aquarium. Loved what I got, highly reccomend these. The largest of the remaining pieces was moderate sized and makes for a good Soeishi. The water deactivates it and makes it safe. I am looking forward to getting my tank stocked up! Love these rocks and you usually get 1 big, 3 Med and the rest small.

Overall Score
3.5

[star rating="3.5"]
(4 Points)

9. ARC Reef Reef Stacker Dry Rock, All in 1 Aquascaping Kit for Saltwater Aquariums, 45 lbs.

User Ratings: 87

ARC Reef First Impressions

"Thank you to the seller."

Provides an interesting texture to your aquascape. When I opened the box I was so surprised and shocked. I got this for my 10 gal and it fits beautifully! The largest of the remaining pieces was moderate sized and makes for a good Soeishi. I couldn't find these at any of the aquarium stores near me, chain or independent. Since it's 17lbs obviously you're going to get mostly small rocks. Perfect size just what I needed not as many as I expected.

  • ARC Reef Reef Stacker Dry Rock, All in 1 Aquascaping Kit for Saltwater Aquariums, 45 lbs.
  • 45 Pounds of ARC Reef's All New "Reef Stacker" Dry Rock. Ultra-Premium, Extra Holey, Hand Selected Aquarium Base Rock
  • Every Order includes 6 Acrylic Connecting Rods and 6 Frag Plugs. Designed to Easily Connect and Stack Together to Create Amazing Aquascapes Without the Need for Any Additional Tools
  • Extra 3/8" Holes are Hand Drilled into Each and Every Rock Allowing you to Easily Create Caves, Arches, and Swim-throughs. Extremely Porous and Lighter than any other Mined Rock. Chock Full of Holes and Crevices
  • Requires No Curing and Ready to be Placed into Your Fish Tank or Reef Aquarium. Every Rock is Sterilized with High-Pressure Heat and Thoroughly Cleaned Resulting in the Most Microscopically Porous Surface Possible for Housing Beneficial Bacteria
  • Calcium Carbonate Based and Makes an Excellent Calcium and Alkalinity Buffer. Contains No Silica
  • Manufacture: ARC Reef
  • Editor's Impressions Of The ARC Reef
  • Quality [star rating='4.5']
  • Value For Money [star rating='4.2']
  • Affordability [star rating='5']

ARC Reef Final Thoughts

"I love this slate!"

The resin color is dark, so no repainting needed. These are excellent stones and a great buy for the money! One bigger chunk and five medium chunks. We ended up with two custom plants in the end, and a nicer custom rock. I'm always hesitant to buy it online, but this was a good transaction. And will change the hardness and ph of your water as it leeches. The structure is roughly 14l x 6h x 4d.

Overall Score
4.9

[star rating="4.9"]
(24 Points)

10. GracesDawn Aquarium Fish Tank Pine Bark Stone Shape Landscaping Decoration

User Ratings: 66 8

GracesDawn First Impressions

"Great purchase!"

Com is the only place I trust for my tanks. You definitely get a lot of slate for the price. My only problem is trying to arrange them. I got these for a betta sorority tank. So I bought these thinking I'd get much bigger pieces. I hate negative reviews for awesome items just because the buyer didn't read! I'll order this again, but for now I have more than I need!

  • GracesDawn Aquarium Fish Tank Pine Bark Stone Shape Landscaping Decoration
  • Features: A- is random shapes, you can shape you want made (Including a combination of one or two stones)
  • Good for decoration and use on a planted tank
  • The most popular stone that people use for aquascaping
  • Suitable for micro-landscape, small aquarium, decorative ornaments, etc.
  • Material: Seiryu Stone. Stone Note: Due to the light and screen difference, the item 's color may be slightly different from the pictures. Please understand. Make sure you don 't mind before you bid.important hint:the product is a random composition of 1-2 stones, can not specify the size of the stone.
  • Manufacture: GracesDawn
  • Editor's Impressions Of The GracesDawn
  • Quality [star rating='5']
  • Value For Money [star rating='3.4']
  • Affordability [star rating='4.5']

GracesDawn Final Thoughts

"As advertised."

They fit perfectly in my ten gallon aquarium. The colors of the rocks are beautiful. This isn't even all of them in the photo. The edges of holes are also sharp, but easy enough to smooth with a razor knife. I hate negative reviews for awesome items just because the buyer didn't read! I am only giving 4 star because I had no way to request a larger stone after order. I really hope they upload the other 3 pictures.

Overall Score
4.3

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

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