If you`re cleaning a high volume bathroom, you`re going to want a high-quality bowl cleanerand this liquid cleaner won`t disappoint. The formula is great for heavy traffic, hard water or problem soils. The high acid is capable of dissolving even the toughest lime deposits, hard water scale and rust stainshelping to make sure your toilets stay looking like new. The effective formula is strong, but not harmful to septic tanks. With the tilted bottle head, getting underneath the bowel rim is quick and easy. Chemicals/Cleaners Type: Bathroom; Application: Bowls, Toilet Bowls; Applicable Material: Ceramic, Porcelain; Chemical Compound: Hydrochloric Acid.