I have about 75 lbs of LR. Last night I did a very close examination of sump and tank, lo and behold, I have way more copepods than I realized. The sump is well stocked with copepods and I did not know that they circulate from sump to tank via that system, but it makes sense. I think I am good to go on the pods.
The tank now has 4 green chromis, 1 Sally Lightfoot, a cleaner shrimp, about a dozen snails and about 18 hermits. In addition to the mandarin I plan to add 1 Maroon Clown, a lawnmower bleeney (I have a fair amount of green hair algae) and maybe an arrow crab. I would like to try some live coral also.
Eventually I would like to add 1 angel or a tang, but I'm not sure which one. No plans for anything after that.
Thanks to all who responded. It is great to be able to draw on other's experiences.