moodster
Well-Known Member
hello riu i hae been using this gh 3 part and following this chart http://www.grotec.co.uk/helppdfs/flora series soil.pdf and feeding at the recomended levels yet i have just found this flora calculator http://www.eurohydro.com/resources.php?mod=flora_calc and when i put the above info in i only get a ppm of 350 what should my ppm be in flower thanks