Water Testing

  • Sale! Sale!
    2026_06_09_2154831
    Acid Demand Reagent For Pool Water Balancing | Taylor | R-0005-A-24 | 3/4 Oz Vial | 24 Count
    Original price was: $3.99.Current price is: $1.19. Add to cart
  • Sale! Sale!
    2026_06_09_2102698
    AquaChek 7 Way Test Strips 100 strips
    Original price was: $30.55.Current price is: $9.16. Add to cart
  • Sale! Sale!
    2026_06_09_2085939
    AquaChek Free Chlorine + Shock Test Strips
    Original price was: $23.20.Current price is: $6.96. Add to cart
  • Sale! Sale!
    2026_06_09_2102461
    AquaChek Monopersulfate Test Strips
    Original price was: $20.72.Current price is: $6.21. Add to cart
  • Sale! Sale!
    2026_06_09_2102944
    AquaChek Nitrate Nitrite Test Strips
    Original price was: $17.75.Current price is: $5.32. Add to cart
  • Sale! Sale!
    2026_06_09_2083542
    AquaChek Pro II Pool and Spa Test Strips for Easy Water Testing
    Original price was: $20.81.Current price is: $6.24. Add to cart
  • Sale! Sale!
    2026_06_09_2102336
    AquaChek Test For Salt
    Original price was: $15.79.Current price is: $4.73. Add to cart
  • Sale! Sale!
    2026_06_09_2102126
    AquaChek Total Bromine Test Strips
    Original price was: $18.47.Current price is: $5.54. Add to cart
  • Sale! Sale!
    2026_06_09_2085904
    AquaChek Total Dissolved Solids Test Strips
    Original price was: $18.58.Current price is: $5.57. Add to cart
  • Sale! Sale!
    2026_06_09_2102915
    AquaChek Total Iron Test Strips
    Original price was: $42.24.Current price is: $12.67. Add to cart
  • Sale! Sale!
    2026_06_09_2103998
    AquaChek TruTest Spa Test Strips
    Original price was: $25.25.Current price is: $7.57. Add to cart
  • Sale! Sale!
    2026_06_09_2154905
    Base Demand Reagent | Taylor | R-0006-C-12 | 2000 Series | 2 oz
    Original price was: $4.99.Current price is: $1.49. Add to cart
  • Sale! Sale!
    2026_06_10_131188
    Basic 5-Way Swimming Pool Water Test Kit: Accurate & Convenient Testing
    Original price was: $38.00.Current price is: $11.40. Add to cart
  • Sale! Sale!
    2026_06_09_2154375
    Bromine Chlorine Comparator | Taylor | 9058 (Taylor 2000 Series)
    Original price was: $9.99.Current price is: $2.99. Add to cart
  • Sale! Sale!
    2026_06_09_2154358
    Bromine Comparator Fast Acting Tester | Taylor | 9057 | (Taylor 2000 Series)
    Original price was: $19.99.Current price is: $5.99. Add to cart
  • Sale! Sale!
    2026_06_09_2155584
    Bromine Reagent | Taylor | FAS-DPD Bromine Reagent Kit for Titration | 2 oz | Pack of 12
    Original price was: $19.99.Current price is: $5.99. Add to cart
  • Sale! Sale!
    2026_06_09_2155135
    Calcium Buffer For Pool Water Balance | Taylor | R-0010-E | 16 Oz | Heavy Duty For DIY Pool Balancing
    Original price was: $19.99.Current price is: $5.99. Add to cart
  • Sale! Sale!
    2026_06_09_2110400
    Chlorine Bromine Test Strips | Leisure Time | 45006A | 50 Strips Pack | Chlorine & Bromine
    Original price was: $19.99.Current price is: $5.99. Add to cart
  • Sale! Sale!
    2026_06_09_2109690
    Chlorine/Bromine Series Disk | Lamotte | 4328-H | 50 Pack | Slow Release Heavy Duty
    Original price was: $139.00.Current price is: $34.75. Add to cart
  • Sale! Sale!
    2026_06_09_2155379
    Chromate Indicator Dropper Bottle | Taylor | R-0630-A-24 | 0.75 Fluid Ounces | 24 Pack
    Original price was: $4.99.Current price is: $1.49. Add to cart
  • Sale! Sale!
    2026_06_09_2155325
    Cyanuric Acid Reagent | Not Specified Strength | 1 Gallon Bottle | 4 Pack | Taylor
    Original price was: $39.99.Current price is: $11.99. Add to cart
  • Sale! Sale!
    2026_06_10_129330
    Deluxe 2-Way Swimming Pool Test Tablet Kit with Case – Test pH and Chlorine Levels Easily and Accurately
    Original price was: $11.99.Current price is: $3.59. Add to cart
  • Sale! Sale!
    2026_06_10_242622
    Deluxe 5-Way DPD Swiming Pool Test Kit
    Original price was: $53.00.Current price is: $15.90. Add to cart
  • Sale! Sale!
    2026_06_09_2155504
    DPD Titrating Reagent | Taylor | R-0871-A-24 | 3/4 Oz Bottle | Chlorine Testing
    Original price was: $8.99.Current price is: $2.69. Add to cart
  • Sale! Sale!
    2026_06_09_2154527
    Drop Test Chloride | Sodium Chloride Reagent Heavy Duty |.75 oz Bottle | 1 Pack | Taylor
    Original price was: $29.99.Current price is: $8.99. Add to cart
  • Sale! Sale!
    2026_06_09_2094057
    Efficient Pool Maintenance with a Set of 2 Test Kit Refill Bottles for Swimming Pools
    Original price was: $5.99.Current price is: $1.79. Add to cart
  • Sale! Sale!
    2026_06_09_2155225
    Hardness Reagent | Std Strength | 2 Oz Bottle | 12 Pack | Taylor
    Original price was: $5.99.Current price is: $1.79. Add to cart
  • Sale! Sale!
    2026_06_10_137304
    HydroTools Deluxe Pool Test Kit: Accurately Measures Chlorine, Bromine, & pH levels with Color-Keyed Indicators & Storage Case
    Original price was: $9.99.Current price is: $2.99. Add to cart
  • Sale! Sale!
    2026_06_11_319726
    HydroTools Swimming Pool Kit Replacement Refill for #2 Chlorine Test Solution – .5oz
    Original price was: $5.99.Current price is: $1.79. Add to cart
  • Sale! Sale!
    2026_06_11_325681
    HydroTools Swimming Pool Kit Replacement Refill for #2 pH Test Solution – 1oz
    Original price was: $4.99.Current price is: $1.49. Add to cart
  • Sale! Sale!
    2026_06_11_327656
    HydroTools Swimming Pool Test Kit Replacement Solutions Refill for Chlorine and pH Levels – 1oz
    Original price was: $7.99.Current price is: $2.39. Add to cart
  • Sale! Sale!
    2026_06_09_2109499
    Insta-Test 3 Plus 3-In-1 Strips Heavy Duty For Chemical Balancing | Lamotte | 2976-24-PT | (Pool and Spa Use)
    Original price was: $5.99.Current price is: $1.79. Add to cart
  • Sale! Sale!
    2026_06_09_2084693
    LaMotte Insta-TEST 3 Plus Pool and Spa Test Strips
    Original price was: $13.27.Current price is: $3.98. Add to cart
  • Sale! Sale!
    2026_06_09_2109579
    Nitrate Test Strip | AquaGuard | 3012-G-12 | 0-200 PPM | 25 Count Per Bottle
    Original price was: $6.99.Current price is: $2.09. Add to cart
  • Sale! Sale!
    2026_06_09_2100005
    Nitrate/Nitrite Test Strips for Pool Water Testing | Nitrate and Nitrite | 25 Count Strips | 25 Pack | AquaChek
    Original price was: $9.99.Current price is: $2.99. Add to cart
  • Sale! Sale!
    2026_06_09_2102659
    Pentair Chlorine and PH Test Kit
    Original price was: $44.79.Current price is: $13.43. Add to cart
  • Sale! Sale!
    2026_06_09_2103089
    Pentair Solution 1 OTO
    Original price was: $13.38.Current price is: $4.01. Add to cart
  • Sale! Sale!
    2026_06_09_2155604
    Phosphate Reagent for Algae Control Water Clarity Improvement and Metal Scale Mitigation | Taylor | R-0980-A
    Original price was: $7.99.Current price is: $2.39. Add to cart
  • Sale! Sale!
    2026_06_09_2109438
    Pocket Tester | Lamotte | Salt/TDS/Temp Tracer | Salt Readings | Temperature
    Original price was: $189.00.Current price is: $47.25. Add to cart
  • Sale! Sale!
    2026_06_09_2154634
    Pool Balancing Chemical Kit | Heavy Duty | 2 Oz | 8 Pack | Taylor
    Original price was: $139.00.Current price is: $34.75. Add to cart
  • Sale! Sale!
    2026_06_09_2109705
    Pool Chemical | Lamotte | 4329-H | Chlorine/Bromine Plus Phosphate | Heavy Duty Cleaning
    Original price was: $139.00.Current price is: $34.75. Add to cart
  • Sale! Sale!
    2026_06_09_2154951
    Pool Chemical | Thiosulfate N/10 | 16 Ounce | 1 Bottle | Taylor
    Original price was: $19.99.Current price is: $5.99. Add to cart
  • Sale! Sale!
    2026_06_09_2099446
    Pool Test Kit | Hach | 511249 | 2 Bottle Chlorine 4 In 1 | For Pools
    Original price was: $19.99.Current price is: $5.99. Add to cart
  • Sale! Sale!
    2026_06_09_2109460
    Pool Test Kit | Lamotte | ColorQ 2X Pro 7 | 7 Parameter Colorimetric | DIY Balancing
    Original price was: $239.00.Current price is: $59.75. Add to cart
  • Sale! Sale!
    2026_06_09_2155233
    Pool Water Hardness Reagent For DIY Pool Maintenance | Taylor | R-0012-E | 16 Ounce Bottle | Pack Of 1
    Original price was: $19.99.Current price is: $5.99. Add to cart
  • Sale! Sale!
    2026_06_09_2155488
    Powder Reagent | Taylor | DPD Powder Reagent (0.25 Lb Heavy Duty) | 0.25 Lb | Pool Testing
    Original price was: $39.99.Current price is: $11.99. Add to cart
  • Sale! Sale!
    2026_06_10_181652
    Premium 3-in-1 Swimming Pool and Spa Water Maintenance Test Strips
    Original price was: $7.99.Current price is: $2.39. Add to cart
  • Sale! Sale!
    2026_06_09_2109884
    Replacement Refill Kit | LaMotte | R2057 | TesTabs Pro 7 ColorQ | Balancer
    Original price was: $64.99.Current price is: $19.49. Add to cart
  • Sale! Sale!
    2026_06_09_2155709
    Salt Test Strips | Taylor | 10 Strips Per Bottle | Bulk Case 12 Bottles | DIY Pool Owner
    Original price was: $7.99.Current price is: $2.39. Add to cart
  • Sale! Sale!
    2026_06_09_2155058
    Sulfuric Acid Dropper Bottle | 0.12N | 0.75 oz | 24 Pack | Taylor
    Original price was: $2.99.Current price is: $0.89. Add to cart
  • Sale! Sale!
    2026_06_09_2109420
    Syringe | LaMotte | 3ml Plastic Syringe With Tips | 3 Pack | Manual Heavy Duty Reagent Transfer
    Original price was: $19.99.Current price is: $5.99. Add to cart
  • Sale! Sale!
    2026_06_09_2083913
    Taylor Bleach Reagent 2 For Test Kits Pool Water Chemistry Refill
    Original price was: $31.93.Current price is: $9.57. Add to cart
  • Sale! Sale!
    2026_06_09_2085641
    Taylor Borate Test Strips for Pool and Spa Water Testing
    Original price was: $15.44.Current price is: $4.63. Add to cart
  • Sale! Sale!
    2026_06_09_2085135
    Taylor Chlorine Test Strips For Pools And Spas Quick Dip Test
    Original price was: $12.84.Current price is: $3.85. Add to cart
  • Sale! Sale!
    2026_06_09_2103171
    Taylor K-1001 3-Way DPD Test Kit
    Original price was: $16.83.Current price is: $5.04. Add to cart
  • Sale! Sale!
    2026_06_09_2085592
    Taylor K-1515-C FAS-DPD Chlorine Test Kit With Reagents And Cylinder
    Original price was: $95.72.Current price is: $28.71. Add to cart
  • Sale! Sale!
    2026_06_09_2085550
    Taylor K-1716 Iron Test Kit for Accurate Water Iron Levels
    Original price was: $98.87.Current price is: $29.66. Add to cart
  • Sale! Sale!
    2026_06_09_2085523
    Taylor K-1764 Total Dissolved Solids TDS Test Kit for Water Quality
    Original price was: $100.93.Current price is: $25.23. Add to cart
  • Sale! Sale!
    2026_06_09_2094078
    Taylor K-2006-SALT Complete (FAS-DPD Chlorine) Test Kit
    Original price was: $162.22.Current price is: $40.55. Add to cart
  • Sale! Sale!
    2026_06_09_2103612
    Taylor R-0001 DPD Reagent #1
    Original price was: $8.80.Current price is: $2.64. Add to cart
  • Sale! Sale!
    2026_06_09_2103373
    Taylor R-0008 Total Alkalinity Indicator
    Original price was: $8.23.Current price is: $2.46. Add to cart
  • Sale! Sale!
    2026_06_09_2103812
    Taylor R-0870-DPD Powder
    Original price was: $18.90.Current price is: $5.67. Add to cart
  • Sale! Sale!
    2026_06_09_2103793
    Taylor R-0871 FAS-DPD Titrating Reagent
    Original price was: $19.40.Current price is: $5.82. Add to cart
  • Sale! Sale!
    2026_06_09_2103739
    Taylor R-1003J pH Solution
    Original price was: $19.56.Current price is: $5.86. Add to cart
  • Sale! Sale!
    2026_06_09_2083951
    Taylor R0015 Acid Demand Reagent for Pool Water Testing
    Original price was: $15.02.Current price is: $4.50. Add to cart
  • Sale! Sale!
    2026_06_09_2083947
    Taylor R0016 Base Demand Reagent For Pool Water Testing
    Original price was: $15.02.Current price is: $4.50. Add to cart
  • Sale! Sale!
    2026_06_09_2083858
    Taylor R1003U Long Range Indicator Replacement Reagents For Pool Water Testing
    Original price was: $19.71.Current price is: $5.91. Add to cart
  • Sale! Sale!
    2026_06_09_2093535
    Taylor Salt Pool and Spa Test Strips
    Original price was: $29.25.Current price is: $8.77. Add to cart
  • Sale! Sale!
    2026_06_09_2085381
    Taylor Service Pro Pool Test Strips for Free Chlorine pH and Alkalinity
    Original price was: $25.74.Current price is: $7.72. Add to cart
  • Sale! Sale!
    2026_06_09_2099923
    TDS Test Strips | Heavy Duty Pool And Spa Use | 25 Strips Per Pack | 25 Pack | AquaChek
    Original price was: $7.99.Current price is: $2.39. Add to cart
  • Sale! Sale!
    2026_06_09_2109561
    Test Kit | Lamotte | 2994-6 | Copper and Iron Tests | Fast Acting
    Original price was: $89.99.Current price is: $26.99. Add to cart
  • Sale! Sale!
    2026_06_09_2099511
    Test Strips | AquaChek | Pro II | 4 In 1 | 25 Count Fast Acting
    Original price was: $19.99.Current price is: $5.99. Add to cart
  • Sale! Sale!
    2026_06_09_2109642
    Test Strips | LaMotte | Insta-Test 4 Plus 3029-12 | 50 Pack | Heavy Duty Fast Acting
    Original price was: $5.99.Current price is: $1.79. Add to cart
  • Sale! Sale!
    2026_06_09_2109518
    Test Strips | LaMotte | InstaTest 5 Plus | 50 Pack Fast Acting | For Pools, Spas And Home Water Systems
    Original price was: $8.99.Current price is: $2.69. Add to cart
  • Sale! Sale!
    2026_06_09_2154919
    Thiosulfate Solution For Water Treatment | N/10 | 3/4 Oz Dropper Bottle | 24 Pack | Taylor
    Original price was: $2.99.Current price is: $0.89. Add to cart
  • Sale! Sale!
    2026_06_09_2155547
    Titrating Reagent | Taylor | R-0871-E | 16 Oz | FAS-DPD Method
    Original price was: $29.99.Current price is: $8.99. Add to cart
  • Sale! Sale!
    2026_06_09_2155562
    Titrating Reagent | Taylor | R-0871-F | 32 Oz | HDPE Bottle
    Original price was: $39.99.Current price is: $11.99. Add to cart