{"title":"Pentair Test Reagents","description":"\u003cp\u003eRoutine testing of your pool or hot tub water with a Pentair test reagent kit will help you keep water clean, sparkling, and inviting day after day. Having the right water testing reagent products at your disposal helps cut hot tub water maintenance maintenance chores down to size, leaving you more time to enjoy your pool or hot tub with family and friends.\u003c\/p\u003e","products":[{"product_id":"pentair-water-hardness-test-kit","title":"Pentair Water Hardness Test Kit","description":"\u003ch2\u003e\u003cimg class=\"__mce_add_custom__\" title=\"Pentair\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/pentair.png?v=1763577027\" alt=\"Pentair\" width=\"251\" height=\"62\"\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003eTotal Hardness Test Kit\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is important to achieve the proper level of calcium in your water, the levels of which will vary depending on where you live and where your water supply comes from. Soft water tends to be low in calcium and hard water tends to be higher. This kit allows you to measure total water hardness in ppm or in grains.\u003c\/p\u003e\n\n\u003cp\u003eKit contains:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTest vial\u003c\/li\u003e\n\u003cli\u003e1\/2 oz. Test Agent #6\u003c\/li\u003e\n\u003cli\u003e1 oz. Test Agent #7\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eCompact plastic box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe ideal calcium hardness level for a hot tub is between 100 -200mg. If the level in your hot tub is below this it could lead to corrosion damage. If you do find the level is low, use Calcium Hardness Increaser to bring it up to the correct level. If the level in your hot tub is above the ideal range it can lead to the water appearing cloudy. As a result, calcium can be deposited on the tub shell, heater element, filter cartridge element and the pipe work within. To reduce this use Natural Chemistry Stain \u0026amp; Scale which controls stains \u0026amp; scale to correct the level.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318326853,"sku":"R151276","price":27.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/15_1276__56672.1641917776.600.600.jpg?v=1763591562"},{"product_id":"pentair-pool-test-kit-chlorine-ph","title":"Pentair Pool test Kit, Chlorine \u0026 pH","description":"\u003cp\u003eTest both chlorine and pH levels in your pool or spa with this handy compact kit. Comes with a plastic case for easy storage. Store your set in a cool, dark place and replace all reagent solutions once a year for accurate testing. Ideal reading is 7.4-7.6 for pH and 1.0-1.5 for chlorine.\u003c\/p\u003e\n\n\u003cp\u003eKit contains:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTest vials\u003c\/li\u003e\n\u003cli\u003e1\/2 oz. OTO (yellow) Test Agent for Chlorine\u003c\/li\u003e\n\u003cli\u003e1\/2 oz. Phenol Red Test Agent for pH\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eBlue hinged case\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eInstructions:\u003cbr\u003e- Fill test cell to line with pool\/spa water taken from a depth of 18\" (away from return line).\u003cbr\u003e- Add 5 drops of pH solution to the pH test cell.\u003cbr\u003e- Add 5 drops of OTO solution to the CL test cell.\u003cbr\u003e- Place cover over both test cell opening and invert several times to mix.\u003cbr\u003e- Compare each test cell to its respective colour standards.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318392389,"sku":"R151076","price":29.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/15_1076__37694.1641917774.600.600.jpg?v=1763591565"},{"product_id":"pentair-bromine-ph-2-in-1-test-kit","title":"Pentair Bromine \u0026 pH 2-in-1 Test Kit","description":"\u003ch2\u003e\u003cimg class=\"__mce_add_custom__\" title=\"Pentair\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/pentair.png?v=1763577027\" alt=\"Pentair\" width=\"174\" height=\"43\"\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003e2 in 1 Test Kit - Bromine \u0026amp; pH\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTest both bromine and pH levels in your pool or spa with this handy compact kit. Comes with a plastic case for easy storage. Store your set in a cool, dark place and replace all reagent solutions once a year for accurate testing. Ideal reading is 7.4-7.6 for pH and 3-5 for bromine.\u003c\/p\u003e\n\n\u003cp\u003eKit contains:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTest vials\u003c\/li\u003e\n\u003cli\u003e1\/2 oz. OTO (yellow) Test Agent for Chlorine\u003c\/li\u003e\n\u003cli\u003e1\/2 oz. Phenol Red Test Agent for pH\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eYellow hinged case\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eInstructions:\u003cbr\u003e- Fill test cell to line with pool\/spa water taken from a depth of 18\" (away from return line).\u003cbr\u003e- Add 5 drops of pH solution to the pH test cell.\u003cbr\u003e- Add 5 drops of OTO solution to the BR test cell.\u003cbr\u003e- Place cover over both test cell opening and invert several times to mix.\u003cbr\u003e- Compare each test cell to its respective colour standards.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318457925,"sku":"R151196","price":29.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/15_1196__04264.1641917772.600.600.jpg?v=1763591567"},{"product_id":"pentair-all-in-one-4-way-chlorine-test-kit","title":"Pentair \"All in One\" 4 Way Chlorine Test Kit","description":"\u003ch2\u003e\u003cimg class=\"__mce_add_custom__\" title=\"Pentair\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/pentair.png?v=1763577027\" alt=\"Pentair\" width=\"174\" height=\"43\"\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003ePentair 4 in 1 Test Kit \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTest chlorine, pH, acid demand and total alkalinity levels in your pool or spa with this handy compact kit. Comes with a plastic case for easy storage. Store your set in a cool, dark place and replace all reagent solutions once a year for accurate testing.\u003c\/p\u003e\n\n\u003cp\u003eKit contains:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTest vials\u003c\/li\u003e\n\u003cli\u003e1 oz. Test Agent #1 (OTO Yellow for Chlorine)\u003c\/li\u003e\n\u003cli\u003e1 oz. Test Agent #2 (Phenol Red for pH)\u003c\/li\u003e\n\u003cli\u003e1 oz. Test Agent #3 (Acid Demand \u0026amp; Total Alkalinity)\u003c\/li\u003e\n\u003cli\u003e1\/2 oz. Test Agent #4 (Chlorine Neutralizer)\u003c\/li\u003e\n\u003cli\u003e1\/2 oz Test Agent #5 (Total Alkalinity Test) \u003c\/li\u003e\n\u003cli\u003eInstruction card \u0026amp; booklet\u003c\/li\u003e\n\u003cli\u003eBlue hinged case\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318523461,"sku":"R151186","price":64.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/15_1186__76399.1641917769.600.600.jpg?v=1763591571"},{"product_id":"pentair-all-in-one-78dpd-test-kit","title":"Pentair \"All in One\" #78DPD Test Kit","description":"\u003ch2\u003e\u003cimg class=\"__mce_add_custom__\" title=\"Pentair\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/pentair.png?v=1763577027\" alt=\"Pentair\" width=\"174\" height=\"43\"\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003ePentair all in 1 Test Kit\u003c\/span\u003e\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eTest free, total \u0026amp; combined chlorine, pH, acid demand and total alkalinity levels in your pool or spa with this handy compact kit. Comes with a plastic case for easy storage. Store your set in a cool, dark place and replace all reagent solutions once a year for accurate testing.\u003c\/p\u003e\n\n\u003cp\u003eKit contains:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTest vials\u003c\/li\u003e\n\u003cli\u003e50 DPD #1 tablets\u003c\/li\u003e\n\u003cli\u003e50 DPD #3 tablets\u003c\/li\u003e\n\u003cli\u003e1 oz. Test Agent #2 (Phenol Red for pH)\u003c\/li\u003e\n\u003cli\u003e1 oz. Test Agent #3 (Acid Demand \u0026amp; Total Alkalinity)\u003c\/li\u003e\n\u003cli\u003e1\/2 oz. Test Agent #4 (Chlorine Neutralizer)\u003c\/li\u003e\n\u003cli\u003e1\/2 oz Test Agent #5 (Total Alkalinity Test) \u003c\/li\u003e\n\u003cli\u003eInstruction booklet\u003c\/li\u003e\n\u003cli\u003eRed hinged case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTesting your hot tub water allows you to balance the chemical properties so that it is neither too alkaline nor too acidic, for both bather comfort and equipment protection. It also allows you to maintain a spa sanitizer system to keep the water healthy and free of harmful microorganisms. Total Alkalinity (TA) is always adjusted first, then we look at pH. (Correcting TA often brings pH in line). Complete instructions for water balancing are found on our hot tub water chemistry page.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318588997,"sku":"R151246","price":59.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/15_1246__15152.1628794857.600.600.jpg?v=1763591573"},{"product_id":"pentair-pro-mini-lab-test-kit","title":"Pentair Pro Mini Lab Test Kit","description":"\u003ch2\u003e\u003cimg class=\"__mce_add_custom__\" title=\"Pentair\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/pentair.png?v=1763577027\" alt=\"Pentair\" width=\"174\" height=\"43\"\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003ePentair Pro II Mini Lab for water testing\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTest free, total \u0026amp; combined chlorine, bromine, iodine, pH, acid demand, total alkalinity, water hardness and cyanuric acid levels in your pool or spa with this handy Pro II Mini kit. Comes with a plastic case for easy storage. Store your set in a cool, dark place and replace all reagent solutions once a year for accurate testing.\u003c\/p\u003e\n\n\u003cp\u003eKit contains:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePro design test cells\u003c\/li\u003e\n\u003cli\u003e1oz Solution 3B - Alkalinity Base Demand\u003c\/li\u003e\n\u003cli\u003e1oz Solution 2 - pH\u003c\/li\u003e\n\u003cli\u003e1oz Solution 3 - Acid Demand \u0026amp; Total Alkalinity\u003c\/li\u003e\n\u003cli\u003e1 oz Solution 7 - Water Hardness\u003c\/li\u003e\n\u003cli\u003e0.5oz Solution 4 - Chlorine Neutralizer\u003c\/li\u003e\n\u003cli\u003e0.5oz Solution 5 - Total Alkalinity Test\u003c\/li\u003e\n\u003cli\u003e0.5oz Solution 6 - Water Hardness Test\u003c\/li\u003e\n\u003cli\u003e40 Tablets DPD 1\u003c\/li\u003e\n\u003cli\u003e40 Tablets DPD 3\u003c\/li\u003e\n\u003cli\u003e20 Tablets Cyanuric Acid Test\u003c\/li\u003e\n\u003cli\u003eCalibrated test stick\u003c\/li\u003e\n\u003cli\u003eInstruction booklet\u003c\/li\u003e\n\u003cli\u003eQuick reference cards\u003c\/li\u003e\n\u003cli\u003eRed hinged case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTesting your hot tub water allows you to balance the chemical properties so that it is neither too alkaline nor too acidic, for both bather comfort and equipment protection. It also allows you to maintain a spa sanitizer system to keep the water healthy and free of harmful microorganisms. Total Alkalinity (TA) is always adjusted first, then we look at pH. (Correcting TA often brings pH in line). Complete instructions for water balancing are found on our hot tub water chemistry page.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318654533,"sku":"R151716","price":94.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/15_1716__86601.1641917766.600.600.jpg?v=1763591576"},{"product_id":"test-reagents-refill-pack-red-yellow","title":"Test Reagents Refill Pack - Red \u0026 Yellow","description":"\u003cp\u003e\u003cstrong\u003eThis kit is no longer available. Reagents must be purchased individually.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefill Kit - Red \u0026amp; Yellow Test Reagents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTest chlorine, bromine, and pH levels in your pool or spa with this handy refill kit for your existing tester. Store your set in a cool, dark place and replace all reagent solutions once a year for accurate testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1\/2 oz. bottle Test Agent #1 (OTO Yellow for bromine or chlorine)\u003c\/li\u003e\n\u003cli\u003e1\/2 oz. bottle Test Agent #2 (Phenol Red for pH)\u003c\/li\u003e\n\u003cli\u003eDoes not include instructions or test vials, reagents only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTesting your hot tub water allows you to balance the chemical properties so that it is neither too alkaline nor too acidic, for both bather comfort and equipment protection. It also allows you to maintain a spa sanitizer system to keep the water healthy and free of harmful microorganisms. Complete instructions for water balancing are found on our hot tub water chemistry page.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318720069,"sku":"OTO\/PH","price":9.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/OTOPH12__09988.1641917764.600.600.jpg?v=1763591579"},{"product_id":"value-pack-3x-oto-yellow-test-reagent-1-2oz","title":"Value Pack - 3x OTO Yellow Test Reagent (1\/2oz.)","description":"\u003cp\u003e\u003cstrong\u003eValue Pack Refills - 3x OTO Yellow Test Reagent:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTest chlorine or bromine levels in your pool or spa with these handy refills for your existing tester. Store your reagents in a cool, dark place and replace all reagent solutions once a year for the most accurate test results.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKit contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3x 1\/2 oz. Test Solution #1 (OTO Yellow for bromine or chlorine)\u003c\/li\u003e\n\u003cli\u003eDoes not include instructions or test vials, reagents only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTesting your hot tub water allows you to balance the chemical properties so that it is neither too alkaline nor too acidic, for both bather comfort and equipment protection. It also allows you to maintain a spa sanitizer system to keep the water healthy and free of harmful microorganisms. Complete instructions for water balancing are found on our hot tub water chemistry page.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318785605,"sku":"3R161004","price":10.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/R161004__41192.1613750682.600.600.jpg?v=1763591581"},{"product_id":"value-pack-3x-oto-yellow-test-reagent-1oz","title":"Value Pack - 3x OTO Yellow Test Reagent (1oz.)","description":"\u003cp\u003e\u003cstrong\u003eValue Pack Refills - 3x OTO Yellow Test Reagent:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTest chlorine or bromine levels in your pool or spa with these handy refills for your existing tester. Store your reagents in a cool, dark place and replace all reagent solutions once a year for the most accurate test results.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKit contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3x 1 oz. Test Solution #1 (OTO Yellow for bromine or chlorine)\u003c\/li\u003e\n\u003cli\u003eDoes not include instructions or test vials, reagents only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTesting your hot tub water allows you to balance the chemical properties so that it is neither too alkaline nor too acidic, for both bather comfort and equipment protection. It also allows you to maintain a spa sanitizer system to keep the water healthy and free of harmful microorganisms. Complete instructions for water balancing are found on our hot tub water chemistry page. \u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318851141,"sku":"3R161025","price":11.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/R161025__02855.1641917761.600.600.jpg?v=1763591584"},{"product_id":"value-pack-3x-phenol-red-test-reagent-1oz","title":"Value Pack - 3x Phenol Red Test Reagent (1oz.)","description":"\u003cp\u003e\u003cstrong\u003eValue Pack Refills - 3x Phenol Red Test Reagent:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTest pH levels in your pool or spa with these handy refills for your existing tester. Store your reagents in a cool, dark place and replace all reagent solutions once a year for the most accurate test results.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKit contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3x 1 oz. Test Solution #2 (Phenol Red for testing pH)\u003c\/li\u003e\n\u003cli\u003eDoes not include instructions or test vials, reagents only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTesting your hot tub water allows you to balance the chemical properties so that it is neither too alkaline nor too acidic, for both bather comfort and equipment protection. It also allows you to maintain a spa sanitizer system to keep the water healthy and free of harmful microorganisms. Complete instructions for water balancing are found on our hot tub water chemistry page.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318916677,"sku":"3R161094","price":11.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/R161094__94947.1623868880.600.600.jpg?v=1763591587"},{"product_id":"value-pack-3x-phenol-red-test-reagent-1-2oz","title":"Value Pack - 3x Phenol Red Test Reagent (1\/2oz.)","description":"\u003cp\u003e\u003cstrong\u003eValue Pack Refills - 3x Phenol Red Test Reagent:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTest pH levels in your pool or spa with these handy refills for your existing tester. Store your reagents in a cool, dark place and replace all reagent solutions once a year for the most accurate test results.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKit contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3x 1\/2 oz. Test Solution #2 (Phenol Red for testing pH)\u003c\/li\u003e\n\u003cli\u003eDoes not include instructions or test vials, reagents only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTesting your hot tub water allows you to balance the chemical properties so that it is neither too alkaline nor too acidic, for both bather comfort and equipment protection. It also allows you to maintain a spa sanitizer system to keep the water healthy and free of harmful microorganisms. Complete instructions for water balancing are found on our hot tub water chemistry page. \u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44012318982213,"sku":"3R161018","price":9.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/R161018__84380.1641917759.600.600.jpg?v=1763591590"},{"product_id":"value-pack-3x-acid-demand-alkalinity-test-reagent-3-1oz","title":"Value Pack - 3x Acid Demand\/Alkalinity Test Reagent #3 (1oz.)","description":"\u003cp\u003e\u003cstrong\u003eValue Pack Refills - 3x Acid Demand \u0026amp; Total Alkalinity (#3) Test Reagent:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTest acid demand and total alkalinity levels in your pool or spa with these handy refills for your existing tester. Store your reagents in a cool, dark place and replace all reagent solutions once a year for the most accurate test results.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKit contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3x 1 oz. Test Solution #3 (Acid Demand \u0026amp; Total Alkalinity)\u003c\/li\u003e\n\u003cli\u003eDoes not include instructions or test vials, reagents only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTesting your hot tub water allows you to balance the chemical properties so that it is neither too alkaline nor too acidic, for both bather comfort and equipment protection. It also allows you to maintain a spa sanitizer system to keep the water healthy and free of harmful microorganisms. 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Store your reagents in a cool, dark place and replace all reagent solutions once a year for the most accurate test results.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKit contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3x 1\/2 oz. Test Solution #3 (Acid Demand \u0026amp; Total Alkalinity)\u003c\/li\u003e\n\u003cli\u003eDoes not include instructions or test vials, reagents only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTesting your hot tub water allows you to balance the chemical properties so that it is neither too alkaline nor too acidic, for both bather comfort and equipment protection. It also allows you to maintain a spa sanitizer system to keep the water healthy and free of harmful microorganisms. 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