i have this root on one of my favorite plants that has grown upwards for about 5 days now... i dont like touching the roots i think they are sensitive.. correct me if im wrong. the root is getting kind of a brownish color ... i look under the medieum and there is another root growing down into the water... any advise. is it safe to cut off the root growing above the medium. i should mention that i am using the aerogarden. someone help me out please i hear that the root can grow fungus and lead to death