This sounds like a great idea for indoor type areas, especially the coop! Similar to deep litter?Peat is most recommended as best product to eliminate ammonia from manure to prevent ammonia toxicity. Its also easy to scoop. I also placed landscaping fine pine mulch in my run. Fall leaves while I have them cuz free. I use what I have at the time but will keep peat all the time. Can see article on ammonia toxicity in chickens. https://www.backyardchickens.com/articles/ammonia-toxicity-in-chickens.74475/