i forgot, flushing your res. it depends on where my plants are in the cycle. but, a good rule of thumb is every couple of weeks, some people do it every week. i don't just because its a major pain in the ass for me. my system holds almost eighty gallons of water.
redneck1 Reviewed by redneck1 on . Hydro go go I am going to start a hydro system. but i have a few questions. 1.) If i use a large bubbler system, how often do i have to do a complete flush of the resevior? 2.)How much noise would a small carbon filter setup make? I am not sure what to use for the fan.. so some advice on which is the best and quitest would be awsome. you guys are awsome! Rating: 5