Ight now I need to kno about how I use the solution how much.. If I use a 5oz cup to scoop water out my rez, how much solution should I use to mix. Do I test the rez before put the PH in the rez? & 2nd how do I use the Supernatural Excellofizz http://www.ecogrow.com/index.cfm/pro...id/0/home.html & I still need input on should I use tha rapid rooter or the 50/40 cubes???