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BONUS DEAL - SAVE £1.35
2x (50s) Pots
and total hardness i.e. calcium.
50 test strips per pot.
Can be used for testing water quality for the Ace system, Chlorine, or Bromine sanitised spas.
If you are unsure about your water chemistry or how to test your spa then see our videos on http://pinterest.com/hottubassist