Flood & Drain System for Mothers

Hi All,
I am going to undertake 4 mothers using a flood and drain system. I have never used rock wool before and never tried flood and drain. I was wondering if anyone could give me a basic layout on how I should tackle this. I do not need info on nutes, air flow, lighting etc. All I need is:
-how I should set up my system for feeding(how often and for how long)
-how long should I have my lamps running on a daily basis (18-6, 20-4?)
-how often should I clean my reservoir
-do you use water bubblers? if not why? if so why?
-common mistakes made with such a system etc

Please note that I am using reversed osmosis water with this system and I will be doing 4 mothers using a 10 gallon reservoir.

Also any feed back or links about growing and maintaining mother plants for cloning would be helpful as well. Thanks in advance!!
 
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