ALIEN Hydroponics V-SYSTEM 24 Pot 4 Row Kit Ventilation/Air Conditioning All you do is mix

All you do is mix your soil sample with a pH reagent solution in a test tube

How long does the filtration system last before needing a replacement

3-Part Hydroponic-Based Nutrient System

Product Model: AC-ATT7

ALIEN Hydroponics V-SYSTEM 24 Pot 4 Row Kit Ventilation/Air Conditioning All you do is mixDescription The ALIEN V SYSTEM 24 Pot 4 Row Kit has 4 layout options for header and pump placement to best fit your grow area. The header and pump can be placed outside a grow tent room, or made as compact as possible. Easy to configure and assemble with advanced features and setup options including the ability to create an aisle in the middle of rows for complete plant access, grow 24 plants to perfection in the ultimate recirculating deep water