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Grodan Stonewool Delta Blocks

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  • Grodan Stonewool Delta Blocks

Grodan Stonewool Delta Blocks

Product Name Price Qty
Grodan Stonewool Delta 4 Gro-Blocks - 3" (Hole) - 8 Blocks
$13.60
Grodan Stonewool Delta 4 Gro-Blocks - 3" (No Hole) - 8 Blocks
$13.60
Grodan Stonewool Delta 5.6 Gro-Blocks - 3" (Hole) - 8 Blocks
$17.40
Grodan Stonewool Delta 6.5 Gro-Blocks - 4" (Hole)
$12.85
Grodan Stonewool Delta 10 Gro-Blocks - 4" (Hole) - 6 Blocks
$18.25

Whether starting your seeds and cuttings in A-OK Starters, Macroplugs, or Mini-Blocks it is a good idea to transplant into a 3” or 4” block. You know it’s time to transplant to the Gro-Block when roots coming out of the starter are about 1” long. Just place your Mini-Block on top of the 3” or 4” block without the hole, or your Macroplug/A-OK into the 3” or 4” block with the hole and watch your plant flourish.

Product Description

Whether starting your seeds and cuttings in A-OK Starters, Macroplugs, or Mini-Blocks it is a good idea to transplant into a 3” or 4” block. You know it’s time to transplant to the Gro-Block when roots coming out of the starter are about 1” long. Just place your Mini-Block on top of the 3” or 4” block without the hole, or your Macroplug/A-OK into the 3” or 4” block with the hole and watch your plant flourish.

Gro-Blocks are similar to a ‘plant container’. Need a 3” pot? Then choose a 3” Gro-Block. Small plants can be fully grown in our larger Gro-Blocks. Holes are perfect size for any 1.5” starter plug.

  Size
(inches)
Hole Sizes
Available
Usage
Example
Delta 4 - Small 3" 3x3x2½ No hole or big hole Small plants for transplanting
Delta 5.6 - Large 3" 3x3x4 Big hole NFT
Delta 6.5 - Small 4" 4x4x2½ Big hole Tomato/Cucumber
Delta 8 - Medium 4" 4x4x3.1 No hole or big hole Plants in large flood trays
Delta 10 - Large 4" 4x4x4 Big hole Plants in large flood trays