Dun need to bring the whole washing powder/liquid, small amount
would do for "just-in-case" because dun think u need to wash
clothes inside, just go down to emart to buy extra sets of No.4 and
PT kits if not enough.
tips: Standby 1 set of smart 4 for lunch/book out for the week so
dun need to keep changing and washing, etc (I know it can get abit
smelly but it saves time),
Get extra sets of No.4 and PT kit for the whole week. Then weekend
just bring back home for wash, for me I usually after training,
drench it in water let it dry then pack it into plastic bag so it
doesn't smell that bad (this is where plastic bags and zip lock
bags comes in)
Ziplock bags/plastic bags (buy various sizes)
If going tekong, 1 small packet of glucose dun need to bring in
whole tin. It helps in the morning water parade, just mix a small
quantity so the water doesn't taste so bad during the early morning
water parade. (I vomited after drinking several times during the
early morning water parade because of the water smell and the empty
stomach 
)
