Grodan AO 25 x 25 x 40 mm Rockwool Cubes Size:Case Apply 3 times per growing

Apply 3 times per growing season

Calcium (Ca)

new or transplanted: Mix 1 part worm castings with 2 parts soil

Soil side dress:  Apply one cup per 50 feet of row or one level teaspoon per plant

Grodan AO 25 x 25 x 40 mm Rockwool Cubes Size:Case Apply 3 times per growingGrodan AO Rockwool cubes 1" X 1" X 1. 6" (25 X 25 X 40 mm) Tapered to bottom (connected on top) 10 mm diameter X 10 mm deep seed hole 200 cubes per sheet Pollutant free Pathogen free Does not lock up nutrients Does not release substances into water or nutrients Designed specifically for irrigation efficiency and uniformity Holds the perfect ratio of water to air that the plant needs Recyclable Case: 30 sheets 6,000 cubes. Rockwool or stonewool is a