Grodan AO 25 X 25 X 40 mm Rockwool Cubes - Case Grodan 1" cubes CALCIUM AND BICARBONATE LEVELS

CALCIUM AND  BICARBONATE LEVELS

Repeat treatment as necessary

Spinosad is Derived from a Naturally-Occurring Soil Dwelling Bacterium

vermiculite promotes aeration helping young plants to take hold easily

hydroponics

Grodan AO 25 X 25 X 40 mm Rockwool Cubes - Case Grodan 1" cubes CALCIUM AND BICARBONATE LEVELSGrodan AO Rockwool cubes 1" X 1" X 1. 6" (25 X 25 X 40mm) Tapered to bottom (connected at 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 ideal ratio of water to air Case: 30 sheets 6,000 cubes Rockwool or stonewool is made by melting basalt rock and chalk, then