SteriTec Aluminium Holders for Retort Checks Free Chlorine Test Strips (bottle) It provides a record of

It provides a record of the maximum temperature reached

Pool Check 3in1 has been specially designed to work in both pools & spas

With total hardness water quality test strips you are in control and can find out exactly where your calcium level is before it becomes a problem

No more counting drops or waiting for laboratory results

and flowers

SteriTec Aluminium Holders for Retort Checks Free Chlorine Test Strips (bottle) It provides a record ofOverview Our aluminium holders are an effective and safe method of attaching a SteriTec Retort Check, Cannery Check for canning processes, or the TI Thermal Process Check for other lower temperature processes, to a basket or tray. Sold As Single Units Product Specification Specification Size: 76mm x 55mm (3" x 2 1 8") Details Our aluminium holders are an effective and safe method of attaching a Retort Check, Cannery Check or Thermal Process Check to a