Potente Pietra Pomice Piscina per Efficace Rimozione Macchie Ruggine e Deposito Calcio
This FINE pumice stfor last much longer than POROUS pumice stfor. 1 Pumice Stfor. Wet then rub stained/scaled for until clean, Effective when using with water or acid. as a spot cleaner for rust marks,, and for leaf stains.