Buy Rockwool Cubes Home Depot Apr 2026

: Since it is manufactured at extremely high temperatures (3,000°F), it contains no pests, diseases, or weed seeds.

: For more advanced setups, these larger blocks can be used for soilless cultivation or cut into custom cube sizes. Price : ~$56.72 (2-pack). Why Choose Rockwool?

Before you plant, keep in mind these critical steps to ensure success: buy rockwool cubes home depot

: Smaller 1-inch cubes are ideal for smaller propagation trays or starting seeds that will be moved quickly to a larger medium. : ~$18.99. .N/A 72PCS 1.2 in. Rockwool Cubes with Net Cups Go to product viewer dialog for this item.

: This is a complete starter kit that includes both the rockwool cubes and 56 plastic net cups. : ~$61.51. : Since it is manufactured at extremely high

: Never squeeze your cubes when wet. This crushes the delicate internal structure, reducing the oxygen-holding capacity and hindering root growth.

: Rockwool has a naturally high pH (around 8.0) that can lock out nutrients. You must soak the cubes in slightly acidic water (pH 5.5 to 6.5) for at least an hour before use. Why Choose Rockwool

: Even when fully saturated, rockwool maintains roughly 18% oxygen between its fibers, making it nearly impossible to overwater or "drown" your seedlings.