<h1>20 set /lot Universal Full Range Aquarium Water pH Test Strips Litmus Paper 1-14 Acidic Alkaline Indicator Food Lab Tester</h1><p style="font-size:20px;border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px"></p><div><span style="font-size:18px">• Approximate size of pack 70 x45mm</span></div><div><span style="font-size:18px">• PH 1-14 Colour chart in each pack</span></div><div><span style="font-size:18px">• Litmus Paper test strips change colour within 15 seconds to be matched with the pH scale colour chart</span></div><div> </div><div><strong><span style="font-size:18px">Scales is as follows:</span></strong></div><div><span style="font-size:18px">• 1-3 Indicates a very high Acidic Substance</span></div><div><span style="font-size:18px">• 4-6 Indicates an Acidic Substance</span></div><div><span style="font-size:18px">• 7 Indicates Neutral</span></div><div><span style="font-size:18px">• 8-11 Indicates an Alkaline Substance</span></div><div><span style="font-size:18px">• 12-14 Indicates a very high level of Alkalinity</span></div><p style="font-family:arial, helvetica;text-align:center;color:rgb(51, 51, 51);border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;margin-bottom:30px;margin-top:50px;margin-left:25px" align="center"></p>