---
product_id: 451874826
title: "Black Rock Grill 4KG Lava for Gas BBQ, Fire pit, Aquarium, Chiminea (4KG)"
brand: "black rock grill"
price: "1073 kr"
currency: DKK
in_stock: false
category: "Black Rock Grill"
url: https://www.desertcart.dk/products/451874826-black-rock-grill-4kg-lava-for-gas-bbq-fire-pit
store_origin: DK
region: Denmark
---

# Natural mulch that retains moisture & suppresses weeds Enhances aquarium filtration & water quality 4KG pure lava rock for consistent heat Black Rock Grill 4KG Lava for Gas BBQ, Fire pit, Aquarium, Chiminea (4KG)

**Brand:** black rock grill
**Price:** 1073 kr
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Ignite your grill and garden vibes with Black Rock Grill Lava Rocks!

## Quick Answers

- **What is this?** Black Rock Grill 4KG Lava for Gas BBQ, Fire pit, Aquarium, Chiminea (4KG) by black rock grill
- **How much does it cost?** 1073 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/451874826-black-rock-grill-4kg-lava-for-gas-bbq-fire-pit)

## Best For

- black rock grill enthusiasts

## Why This Product

- Trusted black rock grill brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Garden Glow-Up:** Use as natural mulch to lock in soil moisture, suppress weeds, and release gentle heat to boost plant health.
- • **Gas Grill Game-Changer:** Replace ceramic briquettes with lava rocks to reduce flare-ups, enhance smoky flavor, and save on gas usage.
- • **Aquarium Wellness Boost:** Improve water filtration and nitrate removal while adding a sleek, natural aesthetic to your aquatic environment.
- • **Consistent Heat, Every Time:** Hand-sorted 100% pure lava rocks ensure uniform size and optimal heat distribution for flawless grilling and fire pit performance.
- • **Elevate Your Outdoor Evenings:** Create mesmerizing fire pit ambiance with durable, heat-retaining stones that protect burners and amplify warmth.

## Overview

Black Rock Grill 4KG Lava Rocks are premium, hand-sorted volcanic stones designed for versatile use—from enhancing gas BBQ heat distribution and fire pit ambiance to improving aquarium water quality and garden health. Their uniform size and natural durability make them a must-have for millennial professionals seeking efficient, stylish, and multi-functional outdoor solutions.

## Description

Buy Black Rock Grill 4KG Lava for Gas BBQ, Fire pit, Aquarium, Chiminea (4KG) online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00ECXW86A |
| Batteries required | No |
| Best Sellers Rank | #31,829 in Pet Supplies ( See Top 100 in Pet Supplies ) #115 in Aquarium Décor Rocks |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,974) |
| Date First Available | 15 November 2017 |
| Item model number | 936 |
| Product Dimensions | 30 x 23.01 x 15.01 cm; 4 kg |
| Scent | No scent |

## Product Details

- **Brand:** Black Rock Grill
- **Flavour:** Smoky
- **Item form:** Irregular
- **Item weight:** 4000 Grams
- **Material:** Lava Rock

## Images

![Black Rock Grill 4KG Lava for Gas BBQ, Fire pit, Aquarium, Chiminea (4KG) - Image 1](https://m.media-amazon.com/images/I/61HvWunbgdL.jpg)
![Black Rock Grill 4KG Lava for Gas BBQ, Fire pit, Aquarium, Chiminea (4KG) - Image 2](https://m.media-amazon.com/images/I/61fwHYPPyqL.jpg)
![Black Rock Grill 4KG Lava for Gas BBQ, Fire pit, Aquarium, Chiminea (4KG) - Image 3](https://m.media-amazon.com/images/I/718NJETJIOL.jpg)
![Black Rock Grill 4KG Lava for Gas BBQ, Fire pit, Aquarium, Chiminea (4KG) - Image 4](https://m.media-amazon.com/images/I/71lFdFJ+VRL.jpg)
![Black Rock Grill 4KG Lava for Gas BBQ, Fire pit, Aquarium, Chiminea (4KG) - Image 5](https://m.media-amazon.com/images/I/71yQhykbgoS.jpg)

## Questions & Answers

**Q: Are these light weight for their size? How many rocks per 9 pounds?**
A: Absolutely, the Premium Volcanic Lava Rocks are indeed lightweight for their size. A 9-pound bag typically contains about 30 to 40 rocks. This quantity is sufficient to cover an area approximately 17 inches by 14 inches.

## Frequently Bought Together

- Premium Volcanic Lava Rocks – 9 lbs | 100% Pure, Hand-Sorted 1-3” Stones for Fire Pits, Gas Grills, Aquariums, and Plants
- Mr. Fireglass Lava Rock Granules, Large Red Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75"-5")

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**Shop now:** [https://www.desertcart.dk/products/451874826-black-rock-grill-4kg-lava-for-gas-bbq-fire-pit](https://www.desertcart.dk/products/451874826-black-rock-grill-4kg-lava-for-gas-bbq-fire-pit)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-24*