SLOW PHOS Bulk | Perline di polifosfato a lenta dissoluzione (5 libbre)
5 LBS OF SLOW PHOS: Slowly dissolving Polyphosphate beads. SLOW PHOS can be fed at different concentrations in. Normally a concentration of SLOW PHOS at threshold. levels of 0.5-5.0 ppm polyphosphate will inhibit scale and.