Intex Relax Hot Tub Chemical Starter Kit Relax Essential Spa Kit includes: 500g Bottle Chlorine Granules, 750g Bottle pH Minus, 500g Bottle pH Plus, 500ml Bottle No Foam, 50 Test Strips, 4 Measuring spoons and Spa Care Manual. Depth: 150 MM Height: 235 MM Width: 170 MM