yeah, but i think i was ordering a gallon as the shipping was so much $35!! anyways ill know tomoro if im able to get it over here) will this epsom help me at all, ive added 2.5ml to a gallon just to b safe. ive been looking around for some calcium nitrate or a additive which incompasses all these 2ndary nutrients. know any? if i cud just get some cal-mag my life wud b so much easiar. wud u reccommend any other additives which you use. ive ordered a water wetter and some h202. thanks again