Cultiwool Block 6" x 6" x 6" (48/Case)
The Cultiwool Block 6" x 6" x 6" (48/Case) is a professional stone wool growing block designed to provide a large, stable root zone for hydroponic plants throughout their vegetative and flowering stages. Its homogeneous fibre structure promotes consistent water distribution while maintaining the air space needed for healthy root development.
Each block measures approximately 6 × 6 × 6 in (15 × 15 × 14.2 cm), providing substantial root-zone volume for larger plants and high-performance hydroponic production. Each case contains 48 Cultiwool growing blocks, making this format well suited to commercial greenhouses, indoor growing facilities, controlled-environment agriculture, and professional hydroponic operations.
What Is the Cultiwool 6" x 6" x 6" Block Used For?
The Cultiwool 6" x 6" x 6" growing block is designed to support plants after the propagation stage by providing a larger volume of stone wool for continued root development.
A rooted starter plug or young plant can be transplanted into the block, allowing the root system to expand throughout the stone wool while growers manage irrigation and nutrient delivery precisely.
The large 6-inch format is particularly useful for vigorous plants, longer crop cycles, and hydroponic systems where greater root-zone volume is beneficial.
Key Benefits
-
Large 6 × 6 × 6 in stone wool growing block.
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Metric dimensions of approximately 15 × 15 × 14.2 cm.
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48 blocks per case for commercial and high-volume production.
- Homogeneous fibre structure for consistent water distribution.
- Supports a balanced root-zone environment with both moisture and aeration.
- Designed for transplanting rooted starter plugs and young plants.
- Large root-zone volume for vigorous crops.
- Bottom drainage grooves help promote free water movement beneath the block.
- Black-and-white outer wrapping helps reduce light exposure to the growing media.
- Suitable for drip irrigation and precision fertigation systems.
- Ideal for commercial greenhouses, indoor cultivation, hydroponics, and controlled-environment agriculture.
Why Choose a 6" x 6" x 6" Stone Wool Block?
The 6-inch cube format provides significantly more rooting volume than smaller propagation or intermediate blocks.
This additional substrate volume gives vigorous plants more room to establish an extensive root system while providing growers with a larger moisture and nutrient buffer between irrigation events.
The format is particularly useful for crops that remain in the same block for an extended production cycle.
How Does Cultiwool Support Water and Nutrient Distribution?
Cultiwool stone wool is engineered for rapid water uptake and homogeneous moisture distribution throughout the block.
Its structured fibre network allows irrigation solution to spread evenly through the root zone while maintaining air-filled pore space for oxygen availability.
This uniformity helps growers manage irrigation volume, frequency, nutrient concentration, and root-zone conditions with greater precision.
Drainage and Root-Zone Management
The bottom of the Cultiwool block incorporates drainage grooves designed to allow excess irrigation solution to move freely underneath the block.
Efficient drainage is especially important in hydroponic production because it helps growers maintain the desired moisture level while avoiding prolonged saturation around the root zone.
Black-and-White Protective Wrapping
The growing block is enclosed in a black-and-white protective film. This covering helps shield the stone wool from direct light exposure while keeping the block contained and easier to handle during cultivation.
Reducing light exposure at the substrate surface can also help limit unwanted biological growth on the block.
Ideal Applications
The Cultiwool Block 6" x 6" x 6" (48/Case) is suitable for:
- Hydroponic growing
- Drip irrigation systems
- Precision fertigation
- Indoor horticulture
- Greenhouse production
- Controlled-environment agriculture
- Vegetative plant development
- Flowering and fruiting crops
- Commercial plant production
- Transplanting rooted propagation plugs
- High-performance crop production
Product Specifications
| Specification |
Details |
| Brand |
Cultiwool |
| Product |
Cultiwool 666 |
| Product Type |
Stone wool growing block |
| Nominal Size |
6 × 6 × 6 in |
| Metric Dimensions |
Approx. 150 × 150 × 142 mm |
| Approx. Metric Size |
15 × 15 × 14.2 cm |
| Growing Media |
Stone wool |
| Quantity per Case |
48 blocks |
| Volume per Block |
Approx. 3.20 L |
| Outer Covering |
Black-and-white film |
| Drainage |
Bottom drainage grooves |
| Primary Use |
Hydroponic growing and root-zone development |
How Do You Use a Cultiwool 6" x 6" x 6" Block?
Before transplanting, condition and hydrate the block according to your crop and nutrient program.
Once the growing block has reached the desired moisture and nutrient conditions, place the rooted starter plug or young plant into the opening at the top of the block.
During cultivation, irrigation frequency and volume should be adjusted according to plant size, environmental conditions, crop stage, and desired root-zone moisture level.
Can Starter Plugs Be Transplanted Into the Cultiwool 6" Block?
Yes. The Cultiwool 6" x 6" x 6" block is designed to receive rooted starter plugs or young plants.
Once roots are sufficiently established in the starter plug, the plug can be placed into the opening in the larger growing block, allowing the roots to continue developing throughout the stone wool.
Can Cultiwool Blocks Be Used With Drip Irrigation?
Yes. Cultiwool growing blocks are particularly well suited to drip irrigation and precision fertigation systems.
Their uniform fibre structure allows growers to manage irrigation events accurately while distributing nutrient solution throughout the root zone.
Who Is the Cultiwool 6" x 6" x 6" Block Best For?
The Cultiwool Block 6" x 6" x 6" is particularly well suited to growers who need a large stone wool root zone for vigorous plants or longer production cycles.
The 48-block case is ideal for commercial greenhouses, indoor cultivation facilities, hydroponic growers, controlled-environment agriculture operations, and professional horticultural producers looking for consistent irrigation performance and standardized root-zone management.
Frequently Asked Questions
How many Cultiwool 6" x 6" x 6" blocks are included in one case?
Each case contains 48 Cultiwool growing blocks.
What are the block dimensions?
The nominal size is 6 × 6 × 6 in, with technical dimensions of approximately 150 × 150 × 142 mm (15 × 15 × 14.2 cm).
What is the Cultiwool 6" block used for?
It is designed to provide a larger stone wool root zone for hydroponic plants after the propagation stage.
Can rooted plugs be transplanted into the block?
Yes. Rooted starter plugs and young plants can be transferred into the larger Cultiwool block for continued root development.
Does the block have drainage grooves?
Yes. The bottom incorporates grooves designed to promote free drainage underneath the block.
Can the block be used with drip irrigation?
Yes. It is well suited to drip irrigation and precision fertigation systems.
What is the purpose of the black-and-white wrapping?
The wrapping helps protect the stone wool from light exposure while keeping the block contained and easier to handle.
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.
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Cancellations
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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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