Did this make anybody else skimmer go crazy after putting in the tank? Im getting all kinds of micro bubbles from my pumps now too.

Yes. It's the initial bacteria die off that causes that. You should rinse the rock thoroughly in RODI water before adding to your tank to avoid this.

Is there a wide variety of sizes and shapes among the rocks?

Yes and you can always break bigger pieces

Is this rock or sand??? Description and title are conflicting

Supposed to be the rock. I had ordered it and ended up with 40 lbs of sand, told Amazon about it and they fixes the issue and sent me the rock

Since this is not natural live rock how is it cultured to get the coraline algae?

Real aragonitic base rock with live spored bacteria, shipped dry. 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.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Carib Sea Life Rock, 40-Pound

Product ID: 266892536

Details

Size
40-Pound
Colour
Gray
Brand
Carib Sea
Material
Calcium
Product dimensions
88.9L x 88.9W

📦40-pound durable natural rock

🪨50% void space porosity

🇺🇸Made in USA quality

S/.5627

Duties & taxes included

In stock

Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🪨 Elevate your aquarium’s ecosystem with nature’s most porous rock!

VERSATILE NATURAL SHAPES - Includes caves, donuts, and unique formations to create dynamic, naturalistic habitats.
PREMIUM USA CRAFTSMANSHIP - Proudly made in the USA, ensuring top-tier quality and reliability for your aquarium setup.
ECO FRIENDLY READY TO USE - Shipped dry with live spored bacteria, jumpstarting your aquarium’s biological filtration.
EXCEPTIONAL VALUE DURABILITY - Heavy 40-pound rock offers long-lasting structure at a fraction of local prices.
MAXIMIZED POROSITY FOR AQUATIC LIFE - Unmatched 50% macro and micro void space boosts beneficial bacteria growth and water flow.

Carib Sea Life Rock is a 40-pound, US-made aragonitic base rock featuring an industry-leading 50% void space for superior biological filtration. Shipped dry with live spored bacteria, it offers natural shapes like caves and donuts to enhance aquatic habitats, delivering premium quality and durability at exceptional value.

Specifications

ASIN	B00IK5TJU4
Allergen Information	Abalone
Batteries Included	No
Color	Gray
Customer Reviews	4.4 4.4 out of 5 stars (446)
Date First Available	28 January 2014
EU Energy Efficiency Label	Highly Efficient
Flavor	Other
Item Form	irregular
Item Weight	4.54 Kilograms
Item model number	00376
Number of Items	1
Pet Life Stage	All Stages
Pet Type	pets
Product Dimensions	35.56 x 5.08 x 25.4 cm; 4.54 kg
Quantity	1
Size	40-Pound
Special Features	Rock
Specific Uses	Active
batteries required	No

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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4 days ago

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