I am looking to get your professional opinion on some readings I have been taking and unsure of due to being new to this Lights (x2 600w) on 18/6 week 6 veg pot 95ltrs feed x3 a day for 1minute per feed water feed temp is steady @ 24 degree C using Canna A & B 24/10/12 feed 6.71ph 1040ppm waste 5.79ph 910ppm 25/10/12 feed 6.83ph 1030ppm 1.47EC waste 5.79ph 980ppm 1.46EC 26/10/12 feed 6.82ph 1000ppm 1.43EC waste 5.88ph 1090ppm 1.57EC A little insure into why my reading are now starting to be so inconsistent would be much appreciated