read through 5-6 pages maybe even deeper in hydroponics forum. You will be able to find other people's how do I, what did I do wrong, etc...

I did this when I 1st joined...I looked around and found that I wanted to figure out which method or system type to use/build, and then I looked for things in titles of old threads to find info. I was able to see where experienced hydro grower's before me had already wrote down and explained all of this info goodluck peace.