No bug or insect present (Mineral build-up / Rust stain)

Toilets, pipes, plumbing fixtures, and areas exposed to hard water

N/A

Accrues over time as hard water minerals like iron, manganese, and calcium precipitate and adhere to porcelain surfaces.

Non-toxic, but causes discoloration, stubborn staining, and potential plumbing clogs or reduced water flow if left untreated.