Aeros iV 4 plant DWC Grow PotsAeros iV 4 plant DWC Grow Pots Aeros IV Deep Water Culture is a very popular growing pot, it requires a lot of attention and a lot of nutrient water solution. It comes in a 4 plant modules and a separate nutrient solution master tank with a level indicator. It includes an air pump and an airstone that helps provide oxygen to the roots and this helps with the growth of the plant.