Grodan
Grodan Gro-Block Improved GR4 - Small 3" (3x3x2.6) w/Hole - Strip - Carton
SKU: GRD287055
$219.99
Available to Order
Inventory may be in-store or supplier warehouse. Call 419-725-2450 to confirm availability, handling timing, or shipping.
Quick answer
Grodan Gro-Block Improved GR4 - Small 3" (3x3x2.6) w/Hole - Strip - Carton 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.
Description
Grodan Gro-Block Improved GR4 - Small 3" (3x3x2.6) w/Hole - Strip - Carton is listed in Growing Media > Rockwool Blocks for growers and gardeners comparing exact product options.
Current catalog package data shows listed shipping weight 21 lbs and listed package dimensions 16 x 12 x 12 in.
Review the product photos, selected option, specifications, compatibility, and label directions before ordering.
SKU: GRD287055.
- Genuine Grodan product
- Brand: Grodan
- Category: Growing Media > Rockwool Blocks
- Listed weight: 21.00 lbs
- Listed dimensions: 3.0 x 3.0 x 2.6 in
- Review product photos, selected option, specifications, and label directions before ordering
Specifications
SKUGRD287055
BrandGrodan
UPC774783495659
Weight21 lbs
Dimensions16 x 12 x 12 in
Shipping Weight21 lbs
Sold AsCase Pack
MaterialStone Wool (Basalt Rock Fiber)
ManufacturerGrodan (ROCKWOOL Group)
PH~6.0 (neutral / inert)
ECInert — does not contribute EC
Pathogen-FreeYes — sterile manufacturing process
ReusableSingle-use recommended
Block Size3" x 3" x 2.6" (7.5 x 7.5 x 6.5 cm)
ModelGro-Block Improved GR4 (Small 3")
Volume (Per Block)23.4 cu in (275 mL)
Saturated Weight (Per Block)~275g (9.7 oz)
Water Holding Capacity~80% at saturation
Air Content~20% at saturation
Fiber OrientationVertical (improved drainage)
Product TypeVegetative Growth Block
Wetting AgentAdvanced Hydrophilic (Improved)
Compatible PlugsGrodan A-OK 1.5" or Macro Plugs
Wetting MethodSubmerge 10-15 min or overhead water 6-8 passes
PackagingWith Hole — Unwrapped Strips
