good article on ph and nutes

i thought this was a pretty good article on understanding ph and nutes. though i would post it. its a free mag i pick up at hydro store. 2nd link is a PFD format. the pages are 21,22,23,25.
part 1
Maximum Yield - CHOOSING HYDROPONIC NUTRIENTS - Part 1

part 2
http://www.maximumyield.com/fullissues/vol10num6-usa-pt2.pdf

i will post part3 when it come out if anybody is interested. to tell you the truth the whole mag is a good read. the urban sea article, will blow your mind. let me know what you think.

great articles, thanks

Nice info.......

nice reading

cool glad you liked it i will post part3 when it comes out. they have 1 years archives on there site. its not geared to mj but its same in principle.