8 in 1 Water Quality Tester PH CF ORP for Fish Tank Aquariums Online Monitoring

ORP: -2000mv- + 2000mv. Online Water Quality Tester pH/ORP/EC/TDS/SALT/S. G/CF/Temperature APP Tester 8-in-1 WIFI and Data Transfer for Pools Aquariums. CF: 0-1999.0CF. pH: 0.00-14.00pH. pH: 0.01PH. 10ppm(> 1999ppm).

eBay