Water Filtration System Repair Near Hedstrom Dr. A homeowner contacted me regarding their reverse osmosis water filtration system not producing enough water. After inspection, I found that the RO membrane was fouled and required cleaning. The sediment filter was also clogged and needed replacement. After cleaning the membrane and replacing the filter, I tested the system for sufficient clean water production. The homeowner was satisfied with my work and glad to have a better functioning reverse osmosis water filtration system.