---
product_id: 631868172
title: "Volcanic Pumice for Plants 3–8mm Dust-Free – Natural Plant Pot Topper to Stop Fungus Gnats, Premium Perlite Alternative for Bonsai, Cactus & Soil Mixes, Improves Drainage & Aeration (1L)"
brand: "growcery"
price: "¥5508"
currency: JPY
in_stock: true
reviews_count: 8
category: "Growcery"
url: https://www.desertcart.jp/products/631868172-volcanic-pumice-for-plants-3-8mm-dust-free-natural-plant
store_origin: JP
region: Japan
---

# Dust-free natural aeration 700 kg/m³ lightweight density 3–8mm optimal stone size Volcanic Pumice for Plants 3–8mm Dust-Free – Natural Plant Pot Topper to Stop Fungus Gnats, Premium Perlite Alternative for Bonsai, Cactus & Soil Mixes, Improves Drainage & Aeration (1L)

**Brand:** growcery
**Price:** ¥5508
**Availability:** ✅ In Stock

## Summary

> 🌋 Elevate your plant game with volcanic power – because your roots deserve the best!

## Quick Answers

- **What is this?** Volcanic Pumice for Plants 3–8mm Dust-Free – Natural Plant Pot Topper to Stop Fungus Gnats, Premium Perlite Alternative for Bonsai, Cactus & Soil Mixes, Improves Drainage & Aeration (1L) by growcery
- **How much does it cost?** ¥5508 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/631868172-volcanic-pumice-for-plants-3-8mm-dust-free-natural-plant)

## Best For

- growcery enthusiasts

## Why This Product

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

## Key Features

- • **Sleek, Clean Aesthetic:** Enhance your indoor and outdoor plant displays with a natural light grey-white finish.
- • **Lightweight Yet Durable:** At 700 kg/m³, enjoy a premium, dust-free alternative that outlasts perlite and clay pebbles.
- • **Natural Fungus Gnat Barrier:** Create a chemical-free shield to protect your plants from pesky fungus gnats.
- • **Versatile for Every Green Thumb:** Ideal for bonsai, cacti, succulents, terrariums, and custom soil mixes.
- • **Precision Stone Size for Perfect Coverage:** 3–8mm volcanic pumice ensures consistent soil aeration and moisture control.

## Overview

Growcery's Volcanic Pumice is a premium, dust-free horticultural grit sized 3–8mm with a lightweight density of approximately 700 kg/m³. It enhances soil aeration, drainage, and moisture retention while naturally preventing fungus gnats. Perfect for bonsai, cacti, succulents, and terrariums, this versatile pumice improves root health and nutrient retention, packaged conveniently in a resealable 1L bag for lasting freshness.

## Description

Product Description Experience the lasting benefits of Growcery Pumice Horticultural Grit, the superior choice for both hydroponic and traditional gardening. Specially formulated for exceptional water management, this premium-grade pumice grit outlasts traditional materials like clay pebbles and perlite. What is PUMICE? Pumice is a natural, lightweight volcanic rock formed during explosive eruptions. It results from the rapid cooling and depressurization of molten lava, trapping bubbles and creating a foamy, highly porous texture. This unique formation makes pumice excellent for aeration and moisture retention in gardening and hydroponics. Multipurpose uses of PUMICE Pot Topping Pumice can also be used as a decorative pot topping for plants like cacti. It helps in moisture retention at the soil surface. Soil Mix for Drainage Incorporate pumice into your soil mix to enhance drainage and prevent waterlogging, crucial for healthy plant roots. Terrariums Use pumice as a base layer in terrariums to ensure proper drainage and support healthy root growth in a controlled, miniature environment. Bonsai Potting Mix Pumice is excellent as a standalone potting mix for bonsai plants. It supports intricate root growth and helps in nutrient retention. Convenient Resealable Packaging! Our innovative design ensures effortless storage and use, allowing you to access the Pumice as needed without any waste. Seal the bag after each use to maintain freshness and usability. Enjoy the convenience and practicality of our resealable packaging for all your gardening and hydroponic needs. Pumice vs. Perlite, LECA, Clay pebbles: Best Soil Amendment Comparison Volcanic Pumice Premium Perlite Premium Clay Pebbles Leca aplus content video What is horticultural pumice and how is it used in gardening? Horticultural pumice is a crushed volcanic rock used in gardening to enhance soil aeration, drainage, and moisture retention. It's mixed with soil or applied as a top layer to prevent root rot and promote healthy plant growth. What is horticultural pumice and how is it used in gardening? Horticultural pumice is a crushed volcanic rock used in gardening to enhance soil aeration, drainage, and moisture retention. It's mixed with soil or applied as a top layer to prevent root rot and promote healthy plant growth. What are the benefits of using pumice in soil? Pumice improves soil by enhancing drainage, aeration, and moisture retention. It's porous, allows air circulation, retains water well, and lasts long without breaking down. What are the benefits of using pumice in soil? Pumice improves soil by enhancing drainage, aeration, and moisture retention. It's porous, allows air circulation, retains water well, and lasts long without breaking down. Is pumice suitable for all types of plants? Pumice is versatile, suitable for many plants including succulents, orchids, and bonsai. It's ideal for plants needing well-drained soil and the mixing ratio can be adjusted as needed. Is pumice suitable for all types of plants? Pumice is versatile, suitable for many plants including succulents, orchids, and bonsai. It's ideal for plants needing well-drained soil and the mixing ratio can be adjusted as needed. How does pumice affect soil pH? Pumice is pH neutral and does not alter soil pH levels, making it a stable and safe choice for most plants. How does pumice affect soil pH? Pumice is pH neutral and does not alter soil pH levels, making it a stable and safe choice for most plants. How do I incorporate pumice into my soil mix? To incorporate pumice, mix 50% pumice with potting soil for succulents and cacti, or 20-30% for other plants to enhance drainage and aeration. It can also be used as a top dressing to prevent soil compaction. How do I incorporate pumice into my soil mix? To incorporate pumice, mix 50% pumice with potting soil for succulents and cacti, or 20-30% for other plants to enhance drainage and aeration. It can also be used as a top dressing to prevent soil compaction.

Review: Volcanic pumice - Pumice for topping houseplants. Served it's purpose and covered 4 medium size pots.
Review: Great for bonsai - What I needed

## Features

- Optimal Stone Size and Density: At 3–8 mm and approximately 700 kg/m³, this volcanic pumice offers excellent coverage and consistency. A reliable, dust-free alternative to perlite and clay pebbles for horticultural use
- Improves Soil Structure and Root Health: Pumice increases aeration, drainage and moisture regulation, helping prevent compaction and supporting strong, healthy root development in bonsai, cacti and succulents
- Versatile Garden and Landscaping Uses: Suitable for terrariums, top dressing, succulent and cactus mixes, soil aeration, seed starting and general horticultural projects. Enhances soil condition across a wide range of applications
- Lightweight and Natural Aesthetic: Its clean light grey to white colour makes pumice suitable for indoor and outdoor decorative landscaping, offering a lightweight, practical alternative to traditional gravel or pebbles
- Absorbs Pigments and Fragrances: Once dried, pumice absorbs pigments and fragrances, making it a suitable choice for potpourri blends, artistic crafts and custom decorative projects
- Natural Fungus Gnat Prevention: Use as a plant pot topper to create a barrier that helps stop fungus gnats from accessing soil, protecting your plants naturally without chemicals
- Supports Nutrient Retention: The porous structure traps essential nutrients within its tiny cavities and slowly releases them to plant roots, improving nutrient availability over time

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D37VWV52 |
| Best Sellers Rank | 1,891 in Garden ( See Top 100 in Garden ) 49 in Gardening Soils |
| Brand | Growcery |
| Brand Name | Growcery |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.5 out of 5 stars 96 Reviews |
| Item Type Name | Pumice Grit |
| Manufacturer | BHOMESCENT LTD |
| Manufacturer Part Number | GPU1 |
| Model Number | GPU1 |
| Number of Packs | 1 |
| Style | 1L |
| Style Name | 1L |
| Unit Count | 1000.0 millilitre |
| Unit count | 1000.0 millilitre |
| Volume | 1 Litres |

## Product Details

- **Brand:** Growcery
- **Style:** 1L
- **Item volume:** 1 Litres

## Images

![Volcanic Pumice for Plants 3–8mm Dust-Free – Natural Plant Pot Topper to Stop Fungus Gnats, Premium Perlite Alternative for Bonsai, Cactus & Soil Mixes, Improves Drainage & Aeration (1L) - Image 1](https://m.media-amazon.com/images/I/81hjbbciOcL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: What is horticultural pumice and how is it used in gardening?**
A: Horticultural pumice is a crushed volcanic rock used in gardening to enhance soil aeration, drainage, and moisture retention. It's mixed with soil or applied as a top layer to prevent root rot and promote healthy plant growth.

**Q: What are the benefits of using pumice in soil?**
A: Pumice improves soil by enhancing drainage, aeration, and moisture retention. It's porous, allows air circulation, retains water well, and lasts long without breaking down.

**Q: Is pumice suitable for all types of plants?**
A: Pumice is versatile, suitable for many plants including succulents, orchids, and bonsai. It's ideal for plants needing well-drained soil and the mixing ratio can be adjusted as needed.

**Q: How does pumice affect soil pH?**
A: Pumice is pH neutral and does not alter soil pH levels, making it a stable and safe choice for most plants.

**Q: How do I incorporate pumice into my soil mix?**
A: To incorporate pumice, mix 50% pumice with potting soil for succulents and cacti, or 20-30% for other plants to enhance drainage and aeration. It can also be used as a top dressing to prevent soil compaction.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Volcanic pumice
*by M***C on 15 May 2026*

Pumice for topping houseplants. Served it's purpose and covered 4 medium size pots.

### ⭐⭐⭐⭐⭐ Great for bonsai
*by S***R on 16 March 2026*

What I needed

### ⭐⭐⭐⭐ Excellent
*by A***R on 16 November 2024*

Excellent topping for my cacti. Only criticism is the price - expensive for the size of the bag.

## Frequently Bought Together

- Volcanic Pumice for Plants - Dust-Free 3-8mm, Optimal Perlite Alternative for Bonsai, Cactus, Soil Mix, Grit & Gravel, Boosts Soil Aeration and Drainage Efficiency (1L)
- R&R SHOP – Hard Quality Japanese Akadama for the Cultivation of Bonsai, with Granule size from 2-5mm (1L)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-03*