100PCS 3/6in1 Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper
Total bromine: 0 0.5/1 1/2.0 3/6.6 5/11 10/22. Total alkalinity: 0-40-80-120-180-240. 30x25cm Body Armor Safety Vest Ballistic Body Armour Anti Stab Composite Plate U. Total chlorine gas: 0-25-50-100-250-500.