RedRock Stonewool grow blocks PRO are priced for commercial agriculture production.
Wetting agent ensures nutrients are immediately plant available and high fiber density makes better use of water and fertilizers while allowing dry back.
Each block measures 6-Inch x 6-Inch x 5.3-Inch with 42/40 Hole.
Ideal for root growth in newly germinated seedlings.
Contains organic wetting agent to ensure uniform water penetration.
Enriched with Resilience for stronger stems and improved root mass.
Listed by the organic materials review institute for the production of organic food and fiber.
Combines double screened Canadian sphagnum peat moss and other fine ingredients to give seedlings the aeration and moisture retention they need for strong development.