The Lovibond Calcio No1 / No2 Tablets test for calcium hardness. Tablets are delivered in blister strips packs and work with the Lovibond photometers. The tablet needs to go from the pack straight into your pool tester, which is why these type of tablets are far better than the traditional foil wrapped for ease of use. Measures calcium 100x No1 and 100x No2 tablets included Comes complete with crushing rod
