on LR.... average in about 1-1.5lbs of it per gallon...
LS.... I would say enough to give atleast an inch depth... ideal about 2 + inches
cycle.... please don't use fish to cycle your tank.... use a raw, peeled shrimp to spike the ammonia up to 1.0 and then remove it!
So add LS, then LR, then a shrimp and test the water weekly/2 times a week and watch the levels... once everything is 0, add a cleaning crew, and slowly add fish (one every 2 weeks)
Keep us posted!