Is Seabird Guano Acidic?

Fresh guano has a pH of 5.1–7.3, making it neutral or somewhat acidic.

Is bird guano acidic?

The bird's poop is very acidic. Most birds have a very low water level in their body because water is heavy to transport by air. The white component of bird poop is a thick white paste of uric acid, with very little water content.

Can seabird guano burn plants?

Unlike other natural and synthetic sources of nutrients, guano does not contain high levels of salt, which can potentially burn plants if over-applied.