Great difficulty because of the deteriorating conditions of the bottles. Many repeat casts to complete profile. Go-Flo cast finished at 0300. Primary production experiment prepared and deployed at 0530. CTD casts continue as scheduled.
Net tows and optical casts conducted as scheduled.
Primary production array retrieved with all samples. Communication attempts were unsuccessful. FVGR retrieved at 1000. Ship proceed to location of sediment traps. Sediment trap recovery commenced at 1400, completed at 1500.