Compare Free Chlorine, pH and Total Alkalinity pads (in that order) to colour chart on label.
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The pH level of your Spa should be kept between 7.2 and 7.6. You can apply the pH minus directly to the spa (so long as the water temperature is above 20 degrees celsius, or by pre-diluting in a container of warm water before adding to the spa water. ).
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Easy to use: No complex tools needed, dip the strip for 2 seconds, compare colors, and get results in 30 seconds, easy to use.
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100 DPD1 Rapid dissolving Tablets. They test for Chlorine, Bromine and Chlorine Dioxide in your Swimming pool, Hot Tub or Spa. These DPD No 1 high quality Tablets.
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Easy to test: Free Chlorine/Bromine, pH, Total Alkalinity. Total Alkalinity Test Range: 0~240ppm. Quantity: 100pcs( 2 bottles). Free Chlorine Test Range: 0~10ppm. -Test at both ends of pool twice a week for best results.
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About this item【5-in-1 Water Quality Tester】Salinity Meter, EC Meter, TDS, PH, and Temperature tester. Salinity measurement range: 0~10000ppm/10.1~200.0ppt or 0.0-25%, salinity tester has an ATC function, which can decrease the error caused by the change of liquid temperature.【Two Salinity Meters】Digital PH meter can detect the salinity of edible salt, and it can detect the salinity of seawater too. Food salinity measuring range: 0.00-25.00%, seawater salinity measuring range: 10.1-200.0 ppt, 1%=10 ppt=10000 ppm. TDS and salinity units are the same, but when measuring salinity, the pH meter needs to be converted to salinity mode.【High Precision】The high precision algorithm chip and electrode of our digital ph tester ensure an accurate and fast re.
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A new and improved version of the Chlorine tablets. For EASY maintenance of chlorine levels. the rate at which they dissolve will vary depending upon water flow and temperature. They have a high level of available chlorine and contain chlorine stabiliser.
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