I have used final phase and flora kleen. You can flush in 2-3 days with ...or a week with water.

So if you have the time...I agree with LNoP. Enjoy
latewood Reviewed by latewood on . Advantages of flushing solutions over plain water? I'm rapidly approaching the end of my first hydroponic grow, and I was wondering if i should get some clearex or final phase for my mature ladies Rating: 5