The repairs and maintenance of an aeroponic system include the following:Refill the root chamber with water.Add the new nutrient.Sanitise: Everything in and around your grow area should be maintained, clean, dust-free and clear of anything that might encourage bacteria development.Sterilise: The key area to keep sterile is your reservoir.Write the date of your water change on the exterior of the root chamber with a dry erase marker.Examine the fogger disk. It may need to be cleaned.Examine the root chamber. It may need to be cleaned.