VEVOR Hydroponics Growing System, 72 Sites 8 Food-Grade PVC-U Pipes, 1 Layer Indoor Planting Kit with Water Pump, Timer, Nest Basket, Sponge for Fruits, Vegetables, Herb, White

VEVOR Hydroponics Growing System, 72 Sites 8 Food-Grade PVC-U Pipes, 1 Layer Indoor Planting Kit with Water Pump, Timer, Nest Basket, Sponge for Fruits, Vegetables, Herb, White

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

General Hydroponics pH Control Kit For A Balanced Nutrient Solution