CastleGreens 1inch Rockwool Grow Cubes, Starter Plugs for Plant Growing, Great for Rooting, Cuttings, Clone Plants, Germination Start Seeds, Ideal Hydroponic Grow Media(4 Sheets, 200 Cubes Total)

CastleGreens Rockwool Cubes 1 inch, Rock Wool Planting Cubes, Rock Wool for Hydroponic Growing, Perfect for Rooting, Cuttings, Cloning Plants, Seed Germination (4 Sheets, 200 Cubes Total)

VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified