CHEMSOLUTE ready-to-use conductivity sol. 1413 µS/cm, 500ml (THG) Back Catalog number: 1575-500ML Availability: In the manufacturer's stock Price on request - + Recommended MA916B/1 Combined glass pH electrode, refill, BNC, 1m Price on request MC720 MC720 Controller kit Price on request MA811/2 Conductivity/TDS probe with 2meter cable (MC410). Price on request