Please note: this is not a stock item, item has been out of stock at wholesaler for months (25-Jan-22)
This product must be used in conjunction with an Apex EL or Apex 2016 Starter kit to enable its use.
Neptune Apex Conductivity (Salinty)Probe Requires PM2 Salinty expansion module
Further information can be found on Neptune System's website: Click here
See our Return & Refund Policy here