• Save 33%
    HACH COMPANY 7-WAY TEST STRIP 12/CS 50CT | PS030
    Sale price $31.86
    Regular price $48
    In stock
  • Save 34%
    HACH COMPANY 4-WAY TEST STRIP 12/CS 50CT | PS031
    Sale price $15.67
    Regular price $24
    In stock
  • Save 33% Out of stock
    HACH COMPANY PHOSPHATE TEST KIT 2757150E 6/CS HIGH RANGE | 2727150E
    Sale price $23.33
    Regular price $35
    Out of stock
  • Save 33%
    AquaChek Select Connect 7-in-1 Test Strips w/ Photo Capture App, 50/Pack | 541604APP
    AquaChek Select Connect 7-in-1 Test Strips w/ Photo Capture App, 50/Pack | 541604APP
    Sale price $29.94
    Regular price $45
    In stock
  • Save 34%
    AquaChek Pro Borate Test Strips, 25 Strips | 562012
    AquaChek Pro Borate Test Strips, 25 Strips | 562012
    Sale price $28.06
    Regular price $43
    In stock
  • Save 33%
    HACH COMPANY POCKET PRO PH TESTER 9531000E | 9531000E
    Sale price $134.36
    Regular price $202
    In stock
  • Save 35% Out of stock
    AquaChek ShockChek Test Strips, 10 Strips | 512254
    AquaChek ShockChek Test Strips, 10 Strips | 512254
    Sale price $21.43
    Regular price $33
    Out of stock
  • Save 34%
    AquaChek Copper 3-in-1 Test Strips, 25/Pack | 661454E
    AquaChek Copper 3-in-1 Test Strips, 25/Pack | 661454E
    Sale price $26.98
    Regular price $41
    In stock
  • Save 33%
    Aquachek Pocket Pro Salinity Tester | 9531600
    Aquachek Pocket Pro Salinity Tester | 9531600
    Sale price $172.64
    Regular price $259
    In stock
  • Save 34%
    AquaChek TruTest Test Strip Refill, 100 Strips | 512138
    AquaChek TruTest Test Strip Refill, 100 Strips | 512138
    Sale price $32.82
    Regular price $50
    In stock
  • Save 33%
    AquaChek Yellow 4-in-1 Chlorine Test Strips, 50 Strips per Bottle | 511244A
    AquaChek Yellow 4-in-1 Chlorine Test Strips, 50 Strips per Bottle | 511244A
    Sale price $21.14
    Regular price $32
    In stock
  • Save 34%
    AquaChek Red Total Bromine Test Strips, 50 Strips | 521253A
    AquaChek Red Total Bromine Test Strips, 50 Strips | 521253A
    Sale price $23.03
    Regular price $35
    In stock
  • Save 34%
    AquaChek Salt System Test Kit, 10 Salt Test Strips & 25 Multi-Test Strips | 542228A
    AquaChek Salt System Test Kit, 10 Salt Test Strips & 25 Multi-Test Strips | 542228A
    Sale price $28.37
    Regular price $43
    In stock
  • Save 34%
    AquaChek 3-in-1 Blue Biguanide Test Strips, 25/Pack | 561625A
    AquaChek 3-in-1 Blue Biguanide Test Strips, 25/Pack | 561625A
    Sale price $28.68
    Regular price $44
    In stock
  • Save 34%
    AquaChek Total Iron Test Strips, 25/Pack | 661455E
    AquaChek Total Iron Test Strips, 25/Pack | 661455E
    Sale price $33.36
    Regular price $51
    In stock
  • Save 33%
    AquaChek Select Connect 7-in-1 Refill Test Strips, 50 Strips | 541640APP
    AquaChek Select Connect 7-in-1 Refill Test Strips, 50 Strips | 541640APP
    Sale price $29.05
    Regular price $44
    In stock
  • Save 33%
    AquaChek Free Chlorine Test Strip, 100 Strips | 652013
    AquaChek Free Chlorine Test Strip, 100 Strips | 652013
    Sale price $35.23
    Regular price $53
    In stock
  • Save 33%
    AquaChek Nitrate/Nitrite Test Strips, 25/Pack | 641426E
    AquaChek Nitrate/Nitrite Test Strips, 25/Pack | 641426E
    Sale price $26.46
    Regular price $40
    In stock