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Catalina Spas

TDS 6.44ppt Test Standard Sachets

Regular price £48.00 GBP
Regular price Sale price £48.00 GBP
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HI-700384P

For maximum accuracy, the Total Dissolved Solids (TDS) Calibration Solutions are specifically produced for Conductivity meters and electrodes in the Pool Line range.

25 x 20ml sachets