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Sinclair Perlite
Sinclair Perlite Sinclair Perlite Sinclair Perlite Sinclair Perlite
Sinclair Perlite Sinclair Perlite

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Sinclair Perlite
Sinclair Perlite
Sinclair Perlite
Sinclair Perlite
Sinclair Perlite
Sinclair Perlite
Sinclair Perlite

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Sinclair Perlite

Ideal for gardeners and growers, Sinclair Horticultural Grade Perlite is a porous, lightweight material that improves drainage, boosts nutrient retention, and helps plants thrive from seedling to maturity.

Marshalls Garden

🚚 Free Delivery on This Item Only

1 x 100L Bag

10904001

In stock

£29.99

🚚 Free Delivery on This Item Only

This product comes with free delivery at no extra cost. Please note that adding other items not labelled as free delivery to your basket will mean standard delivery charges apply.

3-5 Working Days Free Compost Delivery | Learn More

3-5 Working Days Free Compost Delivery

Free delivery on heavy bagged materials – Delivery is free and automatically applied at checkout.

If you'd like more than 10 bagged material products, consider a half pallet or call our Customer Service team who can arrange for a bespoke competitive quote on 01480 774555 (standard network charges apply)

When showing as 'In Stock' on the website product page, products are dispatched next day by our expert team of placing your order, (Sunday to Friday).

Key Features

Marshalls Garden

Low Maintenance

Marshalls Garden

Disease Resistant

Marshalls Garden

Fast Acting

Marshalls Garden

Stores Well

Product Information

Suitable for:

Pots, Hanging Baskets, Greenhouse, Patio, Small Gardens, Borders, Cottage Garden, Cut Flower Garden, Wildlife Garden, Vegetable Plot, Raised Bed

Complete The Job
  • Sterile & disease resistant growing medium
  • Neutral pH
  • Use for tropical plants and bonsai
  • Improve drainage and increase insulation in composts

Sinclair Horticultural Grade Perlite is porous so it helps retain water & nutrients in the soil for release to plants. Perlite is a natural, non-toxic mineral that is lightweight and has thermal insulation properties which makes it ideal for use as a pot topper.

Why Marshalls Garden

We are more than just a team; we are your gardening experts, dedicated to providing valuable guidance and support for all your gardening endeavours.


Discover our wide range of gardening guides developed over 75 years, showcasing our commitment to gardening.


Contact us Mon – Fri and even on bank holidays (because gardening queries don't follow a calendar), to discuss our product range or chat about all things gardening.


When you order from us, expect promptness. 'In stock' plants and seeds are dispatched within two working days. And because we're as green as our thumbs, all our packaging is recyclable.


Our trustworthiness isn't just us talking. It's thousands of five-star reviews on Trustpilot and a 100% happiness guarantee on all our products. We're not just here to sell, we're here to sow trust.

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