Will the culture of TB1 culture in 30% glycerol stock at -4C will be viable for six months or one year or should it be stored at -20C or -80c ? -- Sidharth Parida Senior Faculty Center for biotechnology and Research Neelachal Inst of Medical Sciences O.C.H.C building , Near Ram Mandir Bhubaneswar-3 ORISSA 09437089337(M) sidharth4 at gmail.com