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Catalina Spas

TDS 6.44ppt Test Standard Sachets

£48.00 GBP
£48.00 GBP
On Sale Sold out
Tax included.

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