Hach 561682A AquaChek Test Strip 3-in-1 Monopersulfate Sku: HAC-561682A-BS This is a brand new part comes with a full manufacturer warranty!!! This sale transaction is for only this part number: 561682A Hach 561682A AquaChek Test Strip 3-in-1 Monopersulfate Sku: HAC-561682A-HZ91 This is a brand new part comes with a full manufacturer warranty!!! This sale transaction is for only this part number: 561682A. This is a set of strips that is good to use if you use Monopersulfate as an oxidizer in your pool or spa. These strips will give you quick results and test for Total Alkalinity, pH, and Monopersulfate. TERMS OF SALE: If, after receiving this item you discover that it was not the one you wanted, simply return it for a full refund within 14 days. You will have to pay for the return shipping charges. Refund is void if you have installed, used or damaged the item in any way. Item must be returned with its original box, packing materials and instructions. Payment via PayPal must be received within 3 days of transaction and prior to shipping. SHIPPING: Shipping charge will be based upon location. Please use the shipping calculator or request a shipping quote. International buyers: Customs fees, duties, taxes, tariffs other fees are your responsibility. Arrival time will depend on your location. If you have any questions, feel free to ask. Thank you for visiting! Weight:0.8~SCID:159924~Dimension:8x6x6 TERMS OF SALE: If, after receiving this item you discover that it was not the one you wanted, simply return it for a full refund within 30 days. You will have to pay for the return shipping charges. Refund is void if you have installed, used or damaged the item in any way. Item must be returned with its original box, packing materials and instructions. Payment via PayPal must be received within 3 days of transaction and prior to shipping. SHIPPING: Shipping charge will be based upon location. Please use the shipping calculator or request a shipping quote. International buyers: Customs fees, duties, taxes, tariffs other fees are your responsibility. Arrival time will depend on your location. If you have any questions, feel free to ask. Thank you for visiting! Weight:0.8130~SCID:~Dimension:6.000x6.000X9.000