Professional pH Up + Down Control Kit (Two 1 Quart Bottles) 64 Total oz

Bloom City Professional pH Up + Down Control Kit for Optimal Nutrient Uptake (Two 1 Quart Bottles) 64 Total oz

2024 All-New pH Meter for Water - High Accuracy Digital pH Tester (0.01 Precision) with UL Certification and 3 pH Calibration Powders - Ideal for Home Water, Hydroponics, Aquariums, Pools, and More

Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, Quart (32 oz)