Grodan Grow-CUBES (5.07 cu.ft bx of loose)
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Grodan Grow-CUBES (5.07 cu.ft bx of loose)

Grodan Grow-Cubes Loose (5.07 Cu. Ft./Box)

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GrodanSKU: B50317
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Grodan Grow-Cubes Loose (5.07 Cu. Ft./Box)

The Grodan Grow-Cubes Loose (5.07 Cu. Ft./Box) are lightweight, loose-fill stone wool cubes designed for hydroponic and soilless container growing. Their open, non-compacting structure promotes excellent aeration, efficient drainage, and consistent moisture distribution throughout the root zone.

Each box contains approximately 5.07 cu ft (143.6 L) of loose Grow-Cubes. The individual cubes measure approximately 1/4 in (6.4 mm) and can be used alone or blended with other compatible growing media.

Key Benefits

  • Loose-fill stone wool growing media.
  • Approximately 5.07 cu ft (143.6 L) per box.
  • Cube size: approximately 1/4 in (6.4 mm).
  • Lightweight: approximately 4 lb (1.8 kg) per box.
  • Excellent aeration and drainage.
  • Resists compaction inside containers.
  • Helps maintain consistent moisture throughout the root zone.
  • Supports rapid root penetration and development.
  • Can be used alone or mixed with other media.
  • Suitable for fabric pots, buckets, and other container systems.

Why Use Grodan Grow-Cubes?

Unlike many conventional loose substrates, Grow-Cubes do not easily compact together. The small cubes stack loosely inside the container, creating air spaces that help maintain oxygen around developing roots.

Grodan indicates that Grow-Cubes naturally provide a balanced combination of water retention and aeration, making them suitable for growers who want a forgiving loose-fill stone wool substrate.

Flexible Container Growing Media

Grow-Cubes can be used as a stand-alone substrate or blended with compatible media such as expanded clay.

Their loose format allows them to conform easily to different container shapes and sizes, including fabric pots and bucket systems.

Ideal Applications

Grodan Grow-Cubes are suitable for:

  • Hydroponic cultivation
  • Soilless container growing
  • Fabric pots
  • Bucket systems
  • Indoor horticulture
  • Commercial greenhouses
  • Controlled-environment agriculture
  • Drip irrigation
  • Precision fertigation

Product Specifications

Specification Details
Brand Grodan
Product Grow-Cubes Loose
Type Loose stone wool growing media
Cube Size Approx. 1/4 in (6.4 mm)
Volume per Box 5.07 cu ft (143.6 L)
Approx. Weight 4 lb (1.8 kg)
Growing Media Stone wool
Format Loose cubes
Primary Use Hydroponic and soilless container cultivation

How Do You Use Grodan Grow-Cubes?

Fill a clean container with the desired amount of Grow-Cubes and thoroughly saturate the media before transplanting.

Once excess solution has drained, place a well-rooted starter plug or young plant into the center of the substrate.

During cultivation, adjust irrigation according to plant demand, container size, environmental conditions, EC, and the moisture level of the substrate.

Can Grow-Cubes Be Mixed With Other Growing Media?

Yes. Grow-Cubes can be blended with compatible media such as expanded clay to modify moisture retention, drainage, and aeration according to the growing system.

Do Grow-Cubes Compact Like Potting Mix?

No. Their rigid stone wool structure helps them retain their shape rather than compressing together, leaving air spaces within the root zone.

Frequently Asked Questions

How much Grow-Cubes media is included in one box?
Each box contains approximately 5.07 cu ft (143.6 L).

How large are the individual cubes?
Each cube is approximately 1/4 in (6.4 mm).

Can Grow-Cubes be used by themselves?
Yes. They can be used as a stand-alone growing medium or blended with other compatible substrates.

Can they be used in fabric pots?
Yes. Grow-Cubes are suitable for fabric pots, buckets, and other container systems.

Are Grow-Cubes suitable for drip irrigation?
Yes. They can be used with drip irrigation and fertigation systems.

Order Confirmation

As soon as your order is placed, an order confirmation will be sent to the email address you used to place the order. This means we have received your order and payment. Payment is captured as soon as the order is placed. In rare cases, if the product is on backorder or unavailable, we will contact you and ask if you would like to wait for the product to become available, switch your product, or have your payment refunded. If the item is available for shipment we will submit the order for processing and arrange shipment. Please see current estimated lead times on the product page for each product.

Shipping

Most products ship within 1 to 3 business days. Some items might take longer as they are delivered from our warehouse in Vancouver. As soon as we receive your tracking number, we will send it over to you.

Free Shipping

Free shipping is available across all provinces throughout Canada for orders over 149$.

International Orders

Nearly all of our brands can be shipped internationally using FedEx, UPS, USPS, DHL or other couriers. Most quotes can be obtained at checkout. If not, you can email us at info@canadagrowsupplies.com for some more information on shipment. Items shipped internationally from the USA may have VAT, duties, taxes, and/or local charges due at delivery. These charges are the responsibility of the customer and not Canada Grow Supplies Inc.

Cancellations

If you need to cancel your order, we recommend reaching out to us ASAP. We charge a 2.9% (credit card), 3.5% (PayPal), 4.0% (PayPal International), 4.1% (American Express), or 6.5% (Shop Pay Installments or Sezzle) order cancellation fee after the order was received. We can accommodate most requests, but due to the different time zones and schedules that our warehouses ship from, sometimes the cancellation request may not reach the warehouse in time before the product ships. Once the item has been arranged to ship or has shipped, the package will be treated like a 'return' and is subject to ship-back fees and restocking fees. If you purchased 'Route Package Protection', this can not be refunded after the order has shipped.

Returns

In order to make sure you are completely satisfied, we can send you a return label within 14 days of receiving the order. This is to guarantee that you are happy with the product. Some products might require a 10-25% restocking fee. Please visit our full return policy.

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Nearly all of our brands can be shipped internationally using FedEx, UPS, USPS, DHL or similar couriers. Go through the checkout process to receive a shipping quote or contact us if a shipping quote is not available at checkout.

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Adding Route Package Protection to your order at checkout means that your order is protected against being lost, damaged, or stolen. In the unfortunate instance that you experience one of these inconveniences, you can report an issue with Route and they will work with you to make sure you get the resolution you prefer.

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