It would help to know more about your setup such as dwc or drip feed, etc...
Usually if you have root rot, it means that your roots are suffocating in a sense. You need to make sure you roots are getting some oxygen to them. If you need to, put an airstone down in your reservoir to aerate you nutrients so that your roots can "breathe". It is very critical that you do this to maintain a healthy root system.
SAP420 Reviewed by SAP420 on . Tips of roots are brown! Some of my plants roots are turning brown. Does this mean their rotten? What should I do? Im thinkg about flushing at the end of the week with ph balanced water with hydrogen peroxide. Good idea? any suggestions. thanxs Rating: 5