I just checked the bag, it is a potting mix.
Contains perlite, coir, sphagnum peat moss, sand, ground dolomitic limestone, gypsum, and organic fertilizer,
Total Nitrogen, 0.3%
Phosphate 0.1%
Potash 0.1%
derived from Composed poultry manure, dehydrated poultry manure, composted chicken manure...