Beautec® – Superior Pool Scale-Stain-Scum Preventative Surface Cleaner. Synertec® polymer technology provides surface protection without phosphates and acids. Beautec® also removes existing scale buildup on tile and salt cell generators without scrubbing and use of harsh acid cleaners. Scaletec Plus® - Strong pool surface and tile descaler plus stain remover. High performance swimming pool calcium descaler, iron stain, scum remover and preventative.