+1 on the honey search, there is a ton of info out there and a myriad of ways to use it and various cautions as well like the thinning and drying out o the beer, but also ways to combat it.
As for the orange you only want the rind with no white pith. You can add it at flameout or as a secondary addition, both work well. IMO I have found you get a lot more orange flavor and aroma in the secondary for about 5 days right before bottling. Be sure to sanitize it I'd you go secondary. You can either soak them in cheap vodka or you can zap them in the microwave for 15 seconds, I've done both and have had no problems
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