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Its high water retention will also decrease the irrigation frequency by naturally regulating water availability in the seed tray
Properly maintaining your pH pen tester will give you fast
Simply spray foliage to the point of run-off
Calcium (Ca)
covers up to 2
Grodan AO 25 x 25 x 40 mm Rockwool Cubes Size:Case Its high water retention willGrodan 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
