I can tell you what she's got -- if it's "PoolBrand". The granules are straight dichlor (50#), as are the shock packets. The tablets are 3" trichlor (40#, I think), and the baking soda . . . is baking soda

Given that she's got a swamp, it's probably not too much. She will need a K2006, to be able to gauge what's going on.