Transform your toilet maintenance routine with Toiee Toilet Descaler Extra Power, a professional-strength cleaning solution designed to tackle the toughest mineral deposits. This powerful 1-quart formula specifically targets stubborn brown urine stone and limescale buildup, delivering exceptional results when used with warm water. The product works best in conjunction with the Toiee Toilet Plug for maximum effectiveness. For optimal results, use 8 oz of cleaner per full toilet bowl, allowing it to soak for at least 30 minutes or overnight depending on deposit severity. This specialized cleaner contains phosphoric and hydrochloric acids for powerful descaling action. Important safety note: Always wear appropriate protective gear including eye protection and gloves during use. Not suitable for marble or terrazzo surfaces, and should never be mixed with chlorine or other chemical products. For stubborn deposits, follow up with a toilet brush or scouring sponge to remove any remaining residue after treatment.