SteriTec Aluminium Holders for Retort Checks Free Chlorine Test Strips (bottle) With total hardness water quality

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

10°C / 50°F

“brief” exposure means 2 hours at 0°C/32°F

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

particularly circuit boards

SteriTec Aluminium Holders for Retort Checks Free Chlorine Test Strips (bottle) With total hardness water qualityOverview 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