5-in-1 Water Quality Tester with Digital Display Multi-Parameter TDS/EC/Ph/Salt/Temp Tester, 0-999pps/µS/cm for Home, Pool

5-in-1 Water Quality Tester with Digital Display Multi-Parameter TDS/EC/Ph/Salt/Temp Tester, 0-999pps/µS/cm for Home, Pool

Aliexpress UK