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Pumice Horticultural Grit
Pumice Horticultural Grit - Kiln Dried
Product Code: 7802

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Price per pack£39.96£37.56£36.00Click to View
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Pumice Horticultural Grit. Kiln dried and exceptionally light weight. The industry standard for cacti and succulent compost mixes.


Pack size: 8kg (Approx 16 ltrs)

Particle Size: Nominal 2-4mm (for typical grading limits see below)

Description and Use: An exceptionally light weight and thermally insulating, natural micro-vesicular (bubbly) pumice grit. When incorporated into compost mixes the open honeycomb structure of the pumice allows for absorption of moisture which is slowly released as the compost dries out

Seeds & Cuttings:
Pumice Horticultural Grit is both sterile and pH neutral making it an ideal moisture retaining compost component when planting seeds and cuttings. Its open honeycomb structure and low density ensures that it warms up more quickly than conventional stone based grits and also provides insulation aiding germination and protection of vulnerable seedlings.

Terrariums, bottle gardens and Vivariums :
Use as a moisture retentive gravel substrate and soil conditioner when planting both open glass containers and closed terrariums.
In the base of vivariums, use in place of plastic bead or heavy gravel substrate.

Particle Size:
Typically:
Sieve Size mm % Passing
5.0 100%
4.0 72%
2.0 28%
1.0 6.0%
Chemical Composition:
This grit contains no free silica.
Principal components typically:
SiO2 74.5%
Al2O3 12.5%
Fe2O3 <2%
K2O 4.5%
Na2O 4%


Physical Properties:
Density:
Volume for volume Pumice Horticultural Grit is in the order of a quarter of the weight of "normal" stone based grit having a dry bulk density of approximately 450kg/m3.
Hardness 5.5 Moh
Thermal Conductivity 0.04 W(m-K) (Approximately 40 times more insulating than "normal" sand.)

* Specialist Aggregates' Price Promise:
All prices shown include UK VAT and delivery to 90% of UK locations - Read More. - There are no hidden charges on checkout.

We export throughout Europe and Worldwide - please enquire for shipping rates.

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WhatsApp your enquiry and images to 07484 022898

Rocks in a Box For protection and security your product will be shipped in a weatherproof pack within our easy-to-handle double walled cardboard box.

Boxes are delivered by national couriers. Please advise during checkout or contact our office if you have specific delivery requirements or concerns.

Both the inner plastic pack and the outer box can be recycled via normal household or industrial/commercial collections.

Design Specify: Pumice Horticultural Grit from Specialist Aggregates.

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Alternative Volumes 
Pumice Horticultural Grit - Kiln Dried
Pumice Horticultural Grit - Kiln Dried
Multipack
£691.20

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Alternative Volumes 
Pumice Horticultural Grit - Kiln Dried
Pumice Horticultural Grit - Kiln Dried
30 Pack Pallet (240kg)
 £691.20
60 Pack Pallet (480kg)
 £1,075.20
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