How should I choose Cultiwool 6" x 6" x 6" Block w/ Optidrain & Donut Ring (Case of 48)?

Cultiwool 6" x 6" x 6" Block w/ Optidrain & Donut Ring (Case of 48) should be chosen by water retention, drainage, container size, crop stage, and how often you want to irrigate. Large bags, compressed bales, and pallet quantities can change shipping method. Confirm size, weight, and quantity before checkout.

Can Cultiwool 6" x 6" x 6" Block w/ Optidrain & Donut Ring (Case of 48) ship in the United States?

Toledo Indoor Garden ships eligible products within the United States. Available shipping options, rates, and estimated delivery timing are calculated during checkout from the selected cart and destination address.

Is Cultiwool 6" x 6" x 6" Block w/ Optidrain & Donut Ring (Case of 48) available to order?

Availability is shown on this page and may reflect in-store inventory or supplier warehouse inventory. Call Toledo Indoor Garden before ordering if you need availability, handling timing, or shipping confirmation.

What is the return policy for Cultiwool products?

Toledo Indoor Garden accepts free 30-day parcel returns on unused, unopened Cultiwool products in original packaging after return authorization. Freight, LTL, oversized, special-order, or commercial items may require customer-paid return freight unless the item arrived damaged or defective.

Cultiwool 6" x 6" x 6" Block w/ Optidrain & Donut Ring (Case of 48)

Cultiwool 6" x 6" x 6" Block w/ Optidrain & Donut Ring (Case of 48)

Name: Cultiwool 6" x 6" x 6" Block w/ Optidrain & Donut Ring (Case of 48)
Brand: Cultiwool
SKU: CUL667
Price: 269.99 USD
Availability: InStock

📦 Case of 48 — this is a bulk quantity

$269.99 per case (48 units, approx. $5.62 each)

SKU: CUL667

$269.99

per case of 48

Available to Order

Inventory may be in-store or supplier warehouse. Call 419-725-2450 to confirm availability, handling timing, or shipping.

Questions? Call 419-725-2450

Quick answer

Cultiwool 6" x 6" x 6" Block w/ Optidrain & Donut Ring (Case of 48) should be chosen by water retention, drainage, container size, crop stage, and how often you want to irrigate.

Best fitGrowers choosing media or amendments around watering frequency, root oxygen, container size, and nutrient style.

Check before orderingLarge bags, compressed bales, and pallet quantities can change shipping method. Confirm size, weight, and quantity before checkout.

Grower tipDo not mix media blindly. Air space, pH behavior, and nutrient charge affect how often you water and feed.

Shopping guidance from Toledo Indoor Garden. Prices, availability, shipping rates, weights, and dimensions are verified during checkout.

Cultiwool 6" x 6" x 6" Blocks with Optidrain AND Donut Ring combine both premium features for the ultimate in water management.

The Donut Ring — Cultiwool's industry-first innovation — creates a water chamber around the plug hole for perfectly homogeneous nutrient distribution, while the Optidrain grooves provide efficient bottom drainage.

This block features a larger 1.5"/1.6" plug hole compared to the standard CUL666, designed to accept larger starter plugs or direct planting.

Ideal for demanding cultivators who want maximum control.

Weight: 24 lbs.

This Cultiwool item is listed in Growing Media under Rockwool, giving shoppers a clear fit point in the Toledo Indoor Garden catalog.