You say flushing them do you mean change water and not adding nuks or flushing them from top to bottom with water.
bizzy9 Reviewed by bizzy9 on . Flushing Bubbler Hrdro System I have a hydro bubbler system you don't have to flush the system do you. I have not done that since I started 5 weeks ago and plants growing inch or more a day. I thought since the roots are sitting in water you did not have to flush them or do I not know what your guys are talking about. Is flushing changing the water if that called flushing I have done that one since start. I thought flushing them meant to flush them from top down and I didn't think that you had to do that since the roots at Rating: 5