Orku 5L Coarse Perlite Soil Additive for Drainage and Aeration – Growing Medium

$57.99

Recommended retail price $68.00. You save $10.01 (15%).

  • 5L resealable zip lock bag with approx 215g net weight
  • Inert, sterile and free from disease or weeds
  • Angular coarse texture creates open drainage paths
  • Ultra-light mineral adds oxygen to root zones

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Orku 5L Coarse Perlite Soil Additive for Drainage and Aeration - Growing Medium
Orku 5L Coarse Perlite Soil Additive for Drainage and Aeration - Growing Medium
$57.99
Specifications
BrandOrku
Weight0.99 kg
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  • Sent directly from our Australian warehouse partners.
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  • Delivery after dispatch: usually 2-8 business days within Australia, 7-14 business days to New Zealand. Tracking is emailed when it ships.
  • Change-of-mind returns within 14 days on unopened eligible items (10% restocking fee; you pay return postage). Faulty or wrong items are always put right, free. Returns policy

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01SANDS & SOILS

Lightweight Aeration for Healthy Roots

A quiet, white addition to the potting bench, this coarse perlite transforms dense earth into an airy medium. It sits lightly in your hands, ready to be folded into compost or soil.

Designed for gardeners who value precision, it suits cacti, succulents, orchids and seedlings that thrive on excellent drainage and aeration without waterlogging.

1 x 5L Resealable Zip Lock Bag (Net weight approximately 215g)

Orku 5L Coarse Perlite Soil Additive for Drainage and Aeration - Growing Medium
Orku 5L Coarse Perlite Soil Additive for Drainage and Aeration - Growing Medium

02MATERIAL

Volcanic Glass Formed Into Light Mineral

Derived from volcanic glass, this perlite is a hard, aerated mineral that remains inorganic and inert. Its sterile nature means it introduces no disease, weeds or insects into your mix, keeping the growing environment clean and predictable.

STRUCTURE

Angular Particles Create Open Drainage Channels

The coarse grade features angular properties that prevent compaction, creating porous spaces within the soil matrix. This structure allows water to flow freely while holding a small reserve of moisture and nutrients, ensuring roots access oxygen rather than sitting in stagnant water.

GROWTH

Supporting Quicker Germination and Gentle Transplants

In seed-raising mixes, the perlite encourages faster germination and improved seedling development. Because the medium is non-abrasive and ultra-light, young plants can be lifted out with minimal disturbance to their delicate root systems, making transplantation smoother and less stressful for new growth.

PRACTICALITY

Resealable Bag for Controlled Mixing

Supplied in a 5-litre resealable zip lock bag, the product holds approximately 215 grams of net material. The packaging allows you to dispense only what is needed for each batch, keeping the remainder fresh and ready for future blending projects.

AT A GLANCE

The key points

  • 5L resealable zip lock bag with approx 215g net weight
  • Inert, sterile and free from disease or weeds
  • Angular coarse texture creates open drainage paths
  • Ultra-light mineral adds oxygen to root zones

About this product

Perlite is a light, hard, aerated, white mineral, formed from volcanic glass, used in potting mixes to add open and porous drainage, provide aeration to plant roots and hold oxygen, a little moisture and nutrients from soluble fertilisers.

Perfect for creating your own potting mix or raised bed mix in bulk. Simply add compost, soil and other components to make your own specialty blend, especially for plants that love aeration and excellent drainages like cacti, succulents and orchids. The angular properties of Coarse Perlite make it particularly useful for creating free draining potting mixes.

Perlite in seed raising mixtures encourages quicker germination and improved seedling growth. Seedlings are easily removed from Perlite with little damage to the roots as they transplant with minimum disturbance.

Features

  • Inorganic, inert and sterile
  • Quicker germination
  • Non-abrasive
  • Ultra-light weight
  • Free from disease, weeds and insects
  • Environmentally friendly
  • High cation-exchange (or buffering exchange)
  • Excellent aeration and drainage characteristics
  • High water holding capacity
  • Insulating properties

Additional information

Weight 0.99 kg

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