bat poo isnt potassium. its more nitro or phos.
Kelp meal is a very high-quality organic fertilizer. With an N-P-K ratio of approximately 1-0-2, it is a good source of nitrogen and potassium. It also contains minerals, amino acids, and trace amounts of other micronutrients. Kelp meal is seaweed, specifically Ascophyllus nodosum, and is harvested from the ocean. It can be added to vegetable and flower gardens, potting mixes, and lawns. also has a small amount of natural PGR`s