This comprehensive kit tests for 16 different chemistries. Featured is the FAS-DPD titration kit for free and total Chlorine – these tests meet regulatory requirements for public pool testing. The kit also includes the AquaTrend phosphate test, AquaChek Silver 7-way, Pro 5-way, Nitrate/Nitrite, TDS, Sodium Chloride (salt), Copper & Borate test strips. A 48 page Professional Service Kit Manual and a laminated Water Treatment Card complete the kit.