Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes
There are three programming settings available which include two temperature trigger modes
All System Cord Set w/25' cord
Once connected to the Aqua-x
General Soil Analysis Grow Light Bulbs Grodan Stonewool (rockwool) is madeType of Test: General Soil Analysis Test for: Nitrate, Nitrite, Ammonium, Total Nitrogen, Phosphorous (ppm), Potassium K+ (ppm), Calcium Ca++ (ppm), Magnesium Mg++ (ppm), Copper, Iron, Manganese, Molybdenum, Zinc, Copper, Sodium Na+ (ppm), Aluminum, Sulfur (ppm), Silica, Boron, Nickle, Sodium, TCEC, pH. Sampling Instructions Printable Lab Pricing Sheet Printable FORM Printable Laboratory Discounts Printable Plant Tissue Information Printable Soil