Is this enough or too much rock for a 65 gallon tank?

I got two 20 pounds for my 75 gallons.

What's all the difference between life rocks and Live Rock ?

Live rock is usually wet and has living bacteria etc already on it . Life rock is dead and would need to be cycled

Life Rock Arches For Aquariums

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Description

🌊 Elevate your reef game with CaribSea Life Rock Arches — where nature meets art!

BOOST CORAL VITALITY NATURALLY - Porous aragonite surfaces provide premium attachment points, accelerating healthy coral frag development.
EFFORTLESS AQUASCAPING FLEXIBILITY - Pre-formed arches stack easily—no adhesives needed—so you can redesign your tank’s look anytime.
SCULPT YOUR UNDERWATER MASTERPIECE - Four perfectly sized 12-inch arches let you craft stunning caves and tunnels effortlessly.
BALANCE YOUR AQUARIUMS ECOSYSTEM - Highly porous structure enhances natural filtration, promoting a thriving, balanced marine habitat.
SAFE STABLE FOR SENSITIVE SPECIES - pH-neutral aragonite ensures your fish and corals flourish without water chemistry surprises.

CaribSea Life Rock Arches are a set of four 12-inch porous aragonite rocks designed for aquarium aquascaping. They support coral growth by providing natural attachment points, enhance biological filtration through their porous structure, and maintain stable pH levels to keep marine environments safe. Easy to stack and arrange, these arches help create dynamic, natural-looking underwater landscapes that promote a healthy, balanced aquarium ecosystem.

Specifications

ASIN	B0844Z2CZR
ASIN	B0844Z2CZR
Age Range Description	All Life Stages
Best Sellers Rank	#36,340 in Pet Supplies ( See Top 100 in Pet Supplies ) #39 in Aquarium Décor Rocks
Brand Name	Carib Sea
Color	No Color
Customer Reviews	3.6 3.6 out of 5 stars (73)
Date First Available	January 21, 2020
Date First Available	January 21, 2020
Department	unisex-adult
Department	unisex-adult
Directions	use as directed
Included Components	Caribsea Life Rock Arches for Aquariums
Item Dimensions LxWxH	20 x 15.5 x 12.8 inches
Item Package Dimensions L x W x H	19.76 x 14.96 x 12.76 inches
Item Weight	20 Pounds
Item model number	013217
Item model number	013217
Manufacturer	Caribsea
Manufacturer	Caribsea
Material	Plastic
Model Name	Caribsea Life Rock Arches for Aquariums
Number of Items	1
Product Dimensions	20 x 15.5 x 12.8 inches; 20 Pounds
Size	20lb (Pack of 1)
Specific Uses for Product	aquarium decor
Target Audience Keyword	fish
Warranty Description	Warranty

Reviews

T**.

The Best Liverock is - Caribsea Life Rock Arches

Caribsea life rock Arches. I love the Arches and the size 12 inches and they are also wide as well. 3 inches to 4 inches in width..I am well pleased with this product and I plan to get more real soon.. My 75 Gallon saltwater tank is really coming to a awesome look. Here is a little video of the Arches as well as a few picture.. This is a must have product for your saltwater tank. all pieces came intack and well pack.. again Caribsea life rock Arches are awesome..

20.05.2021

B**L

Every rock came broken ,

I bought four rocks all four were broken one was broken in 3 pieces. , not happy , I wouldn’t buy from them again. It’s cement that’s painted Garbage don’t waste your money it’s all garbage

12.02.2025

C**B

Look great!!!

BUY THIS NOW! I was worried about breakage after reading reviews all four of my arches came well packed. These arches look absolutely beautiful cheaper than pet store! JUST BE SURE TO REQUEST AMAZON BOX OVER PRODUCT BOX to protect package contents... good luck

31.05.2025

A**R

Awesome Broken Stones!!

Ya know, if these guys would invest in some bubble wrap, I’m sure their ratings would be really great! I got four BEAUTIFUL pieces, that turned into eight or nine beautiful pieces (after shipping). It turned into somewhat of a puzzle. I got super glue and everything is all good now, except you owe me a pair of work pants that I got super glue all over😂 No, seriously, if they don’t start using bubble wrap and protecting all of these stones, yours will be broke too. But they are beautiful when put back together.

7.05.2025

B**P

plan on repairing

like a lot of the other reviews, all 4 of the arches were broken. so i ordered aquarium safe glue and put them back together. rocks look great! i have a 90 gallon salt water tank and the fish love the new arches and caves.

24.02.2025

E**D

No cracks!

Took a chance on ordering despite the reviews about the rocks breaking. Mine came well packaged and nothing cracked. Very nice shapes. I’m still messing with the rock placement in my tank. Im happy overall.

4.06.2025

J**E

Beautiful Aquascape

Beautiful dry rock so easy to build a beautiful Aquascape I can recommend this to everyone. The shapes and look is outstanding.

8.08.2025

C**Y

Broken

23.03.2026

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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