Professional-grade Perlite improves compost structure, drainage, and aeration to support strong root growth.
Standard & Super Coarse grades
Improves drainage
Sterile & pH neutral
Ideal for propagation, pots & beds
Lightweight & long-lasting
Size: 100L bag
item | sku | Price | qty |
---|---|---|---|
Perlite Super Coarse (100L) Out of Stock | 180MG3021 |
£27.00
|
|
Perlite Standard (100L) Out of Stock | 180MG3020 |
£28.80
|
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Perlite is a lightweight, sterile volcanic mineral that dramatically improves aeration, drainage, and root development in soil and growing media. Ideal for propagation, potting mixes, hydroponics, and soil conditioning, Perlite expands when heated to create a rigid, porous structure that supports healthy root systems and reduces the risk of overwatering.
Available in both Standard and Super Coarse grades, this 100L bag of Perlite is suitable for a wide range of horticultural and landscaping applications. Standard Perlite is ideal for seed sowing, bedding plants, and compost mixes. Super Coarse Perlite provides maximum drainage and structure for trees, shrubs, large pots, and professional-grade compost formulations.
Trusted by nurseries, landscapers, and commercial growers, Perlite is a go-to additive for ensuring strong root growth and consistent moisture control in a variety of planting environments.
Features & Benefits
Enhances drainage and aeration – Reduces compaction and improves oxygen flow to roots
Improves rooting and propagation – Excellent for seed germination and cuttings
Reduces risk of waterlogging – Ideal for moisture-sensitive plants
Sterile and pH neutral – Free from weeds, pests, and diseases
Inert and long-lasting – Won’t degrade or compact over time
Lightweight and easy to handle – Perfect for mixing with composts or using alone
Applications & Application Rates
Suitable for:
Seed sowing and propagation trays
Bedding plants, plugs, and container stock
Potting compost and soilless mixes
Trees, shrubs, and larger containers
Hydroponics, green walls, and vertical gardens
Application Rates:
Propagation and seed sowing: Mix 25–50% Perlite with seed compost or apply as a surface layer
Potting mixes: Add 10–30% Perlite by volume to compost for improved aeration
Soil conditioning: Blend into heavy or clay soils at 20–25% volume to enhance drainage
Hydroponics: Use neat or combined with coir/vermiculite depending on system type
Formulation & How to Apply
Formulation: Expanded volcanic glass mineral
Grades Available:
Standard – Fine-to-medium particles for composts, propagation, and plug plants
Super Coarse – Large particles for tree planting, large pots, and maximum drainage
How to apply: Mix directly with growing media or use as a surface/top layer. Wear a mask when handling to avoid inhaling dust. Moisten before use to reduce dust levels.
Storage: Store in a dry area and reseal bag after use to avoid contamination.
Specification Details
Product Name Perlite – Standard / Super Coarse
Composition Expanded volcanic glass
Function Soil aeration, drainage, propagation
Grades Available Standard (medium), Super Coarse (large particles)
pH Level Neutral
Use Areas Compost mixes, propagation, pots, soil conditioning
Application Method Mix with compost/soil or use as a top layer
Bag Size 100 litres
Target Users Gardeners, landscapers, nurseries, professional growers