[ccp4bb] Cryoprotectant for jaffamine

[arpitagoswami]

Hi..

Sorry for the non-ccp4 query.I have a protein crystal growing at 0.1 M 
HEPES-Na (pH7.5), 20% Jeffamine M-600 (sitting drop). Can anyone please 
suggest for the cryprotectant to be used?

Arpita.