IWS Dripper Standard - IWS DripperIWS Dripper Standard Consistent, precise feeding Gain knowledge through measuring run off An introduction The IWS Dripper System is the ultimate growing system if you re wanting to fine tune every element of the grow. From the amount of nutrient each plant receives to monitoring the pH and EC of run off, IWS Dripper is for growers who want to be hands on but automate feeding. The IWS Dripper System utilises the 4 litre per hour pressure compensated