Ok as the title says I have 3 plants which consist of 2 different strains and they are all in the same dwc res. My question is one strain/plant is going to finish alot earlier than the others, when I harvest it will its dying roots affect the other plants? Because all of the roots are entangled. And also what do I do about flushing? How can I flush the one thats going to finish sooner with out affecting the others which are going to take longer?