PH - SALT chlorinator with automatic PH control - Puritron GSCN +PH -15 Salt chlorinator WITH PH- DOSING polar exchange cell, Pool volume 15-70 m3, Cl. Bonás 7-15 Mg/l (50-100% adjustable output, 1-8 hours with Polarization adjustment, water temperature measurement, PH dosing with peristaltic pump 3 lit/ 1 bar, with PH probe, with probe holder, Shutter control detection and associated regulation, external flow sensor input, liquid crystal full display, polar direction display, etc.)