tokinafaty420 said:It is simple...you need to give them (Mg). The praying plant is praying for Mg.
I also took a line from one of the OG faq's.
"Mg can get locked-up by too much Ca, Cl or ammonium nitrogen." Also add potassium which can also lock out Mg.
Check your water source too. If it is hard water (200ppm or more from the start) you are going to have some problems with it. Add epsom salt or lime to the water or if this is the problem invest into a reverse osmosis water filter which can be purchased for around $300.
damakkus said:You have an interesting method or approach and I am going to give that a go. Start off from a set value in the res and build that up on a daily basis until the ppms stablize type thing and they begin to consume water or more water than nutes. The ppm level achieved should be the ppms to be maintained throughout the flower process?