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Palintest Photometer DPD No 1 Rapid Dissolve Test Tablets these should be used with Pooltester instruments and will test Free Chlorine from 0 - 5.0 ppm (mg/l) 
 Made in the UK these Test Tablets are considered to be the best available on the market. 
  Storage & Handling - Store in a cool, dry place away from oxidizing and reducing agents, strong acid, alkalis, solvents and organic materials.  - Do not mix with other chemicals.  - Always wear suitable gloves and eye protection when handling. - Use biocides safely. Always read the label and product information before use.

Photometer DPD No 1 Rapid Dissolve Test Tablets 250 Tabs

PaliPalintest Photometer DPD No 3 Test Tables available in foil blister packs for extended shelf life. 
 Simple and easy you use. Low turbidity and quick dissolving. Specifically designed for photometer use. 
 Adding one tablet to your sample will produce a pink colouration proportional to the amount of Chlorine present. 
  Storage & Handling - Store in a cool, dry place away from oxidizing and reducing agents, strong acid, alkalis, solvents and organic materials. - Do not mix with other chemicals. - Always wear suitable gloves and eye protection when handling. - Use biocides safely. Always read the label and product information before use.

Photometer DPD No 3 Test Tables 250 Tabs

Palintest Photometer DPD 1 XF Test Tablets 
 Palintest DPD High Range Photometer Tablets - Test tablets for photometers. 
 DPD1 - To Test Free Chlorine Levels AP013 DPD1-XF (HR) Tablets x 250 - High Range 0-10ppm Free Chlorine Levels - Only to be used with High Range Photometers. 
 DPD3 - To Test Combined levels AP033/1 DPD3-XT (HR) Tablets x 250 - High Range 0-10ppm Combined Levels - Only to be used with High Range Photometers. 
 This Palintest Chlorine/10 test uses the DPD method developed by Dr A T Palin and now internationally recognised as the standard method of testing for chlorine and other disinfectant residuals. In the Palintest DPD method, the reagents are provided in tablet form for maximum convenience and simplicity of use. Free chlorine reacts with diethyl-p-phenylene diamine (DPD) in buffered solution to produce a pink coloration. The intensity of the colour is proportional to the free chlorine concentration. Subsequent addition of excess potassium iodide induces a further reaction with any combined chlorine present. The colour intensity is now proportional to the total chlorine concentration; the increase in intensity represents the combined chlorine concentration. In this way, it is possible to differentiate between free and combined chlorine present in the sample. The colour intensities are measured using a Palintest Photometer. The DPD Oxystop tablet is added after measurement for free chlorine but before the DPD XT tablet. It prevents the reaction between shock treatment chemicals and potassium iodide which would give a positive response.

Photometer DPD 1 XF Test Tablets Tablets 250 Tabs

Palintest 3 Way Water Test Strips are perfect for the residential user, Palintest test strips are manufactured in the UK and subject to the same rigorous quality control as other pool testing products Supplied in pots of 50 tests, the procedure is exactly as expected - dip, shake off the excess and compare to the colour chart printed onto the pot. 
 Test strips available: 3-way test strip providing free chlorine, pH, Alkalinity. 
 Sku: PT 634

3 Way Water Test Strips 50 Strips

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