Water Testing & Control

Monitor and manage pool chemistry with test kits, sensors, and controllers.

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    KOKIDO DEVELOPMENT LTD DIGITAL FLOATING THERMOMETER PS884 12/CS SUPREME SERIES | DT37CS/SUP
    KOKIDO DEVELOPMENT LTD DIGITAL FLOATING THERMOMETER PS884 12/CS SUPREME SERIES | DT37CS/SUP
    SKU: DT37CS/SUP
    $32
    $48
    Out of stock
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    SUPER-PRO DIP-N-READ THERMOMETER W/ CORD PS050 DELUXE SERIES BLUE | K050CBX24/SCP
    SKU: K050CBX24/SCP
    $18.25
    $28
    Out of stock
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    KOKIDO DEVELOPMENT LTD STORM FLOATING THERMOMETER PS897 28" SUPREME SERIES | TM60CBX12/F
    KOKIDO DEVELOPMENT LTD STORM FLOATING THERMOMETER PS897 28" SUPREME SERIES | TM60CBX12/F
    SKU: TM60CBX12/F
    $73.53
    $111
    Out of stock
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    KOKIDO DEVELOPMENT LTD TUTTI-FRUTTI THERMOMETERS PS885 12/CS SUPREME 3 STYLES | TM06CB/SUP
    KOKIDO DEVELOPMENT LTD TUTTI-FRUTTI THERMOMETERS PS885 12/CS SUPREME 3 STYLES | TM06CB/SUP
    SKU: TM06CB/SUP
    $25.12
    $38
    Out of stock
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    OREQ CORPORATION POOL/SPA THERMOMETER 6/PK CHILLIN CHARLIE | TH600DB
    SKU: TH600DB
    $30.81
    $47
    Out of stock
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    Paramount Winter Rubber Expansion Plug #12 w/ Brass Wing Nut for 2" Fitting
    Paramount Winter Rubber Expansion Plug #12 w/ Brass Wing Nut for 2" Fitting
    SKU: 004302167000
    $33.14
    $50
    Out of stock
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    Poolmaster Classic Briteline Thermometer | 25393
    Poolmaster Classic Briteline Thermometer | 25393
    SKU: 25393
    $29.94
    $45
    In stock
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    PALINTEST USA DPD 1 TABLET REAGENT 25 SHEETS OF 10 | AT010
    SKU: AT010
    $13.05
    $20
    In stock
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    OCEAN BLUE WATER PRODUCTS DELUXE ROUND THERMOMETER 150015 | 150015
    SKU: 150015
    $22.35
    $34
    In stock
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    Natural Chemistry Phosphate Test Kit, 10/Pack | 10081NCM
    Natural Chemistry Phosphate Test Kit, 10/Pack | 10081NCM
    SKU: 10081NCM
    $29.97
    $45
    In stock
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    MYRON L COMPANY DS TDS METER 512T5D | 512T5D
    SKU: 512T5D
    $727.12
    $1,091
    Out of stock
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    Lamotte Insta-Test 6-Way Plus Blister Carded, 50 Strips | 3028-BC-12
    Lamotte Insta-Test 6-Way Plus Blister Carded, 50 Strips | 3028-BC-12
    SKU: 3028-BC-12
    $22.44
    $34
    In stock
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    LAMOTTE COMPANY SALT TEST STRIP 12/CS 10CT INSTA-TEST | 2998-12
    SKU: 2998-12
    $24.85
    $38
    In stock
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    Lamotte Colorq 2X Testabs Pro 7 Kit | 2087
    Lamotte Colorq 2X Testabs Pro 7 Kit | 2087
    SKU: 2087
    $263.37
    $396
    In stock
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    LAMOTTE COMPANY PRO600 PLUS TEST STRIP 6/CS 100CT INSTA-TEST | 3028-J-6
    SKU: 3028-J-6
    $33.42
    $51
    In stock
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    Lamotte Insta-Test Pro Lr Phosphate, Multilingual, 50/Btl Lamotte Insta-Test Pro Phosph Test Strips 50-In-1 3021-H-6 | 3021-H-6
    Lamotte Insta-Test Pro Lr Phosphate, Multilingual, 50/Btl Lamotte Insta-Test Pro Phosph Test Strips 50-In-1 3021-H-6 | 3021-H-6
    SKU: 3021-H-6
    $28.44
    $43
    In stock
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    LAMOTTE COMPANY 9-WAY SPIN DISKS CHLORINE/BROMINE 100PK | 4328-J
    SKU: 4328-J
    $146.99
    $221
    In stock
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    LAMOTTE COMPANY 10-WAY SPIN DISKS PLUS BORATE 100/BX WATERLINK CL/BR | 4330-J
    SKU: 4330-J
    $335.88
    $504
    In stock
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    Lamotte Total Alkalinity Reagent, 30 Ml | 7039-G
    Lamotte Total Alkalinity Reagent, 30 Ml | 7039-G
    SKU: 7039-G
    $29.40
    $45
    In stock
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    Lamotte Insta-Test Low Range Phosphate Test Strips | 3021-G-6
    Lamotte Insta-Test Low Range Phosphate Test Strips | 3021-G-6
    SKU: 3021-G-6
    $23.40
    $36
    In stock
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    LaMotte ColorQ TesTabs PRO 7 Refill Kit | R2057
    LaMotte ColorQ TesTabs PRO 7 Refill Kit | R2057
    SKU: R-2057
    $70.62
    $106
    In stock
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    Lamotte Salt Pocketester Calibration | 6005-J
    Lamotte Salt Pocketester Calibration | 6005-J
    SKU: 6005-J
    $31.89
    $48
    In stock
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    LAMOTTE COMPANY PLUS PHOSPHATE & SALT SPINDISK 100/BX WATERLINK CL/BR | 4329-J
    LAMOTTE COMPANY PLUS PHOSPHATE & SALT SPINDISK 100/BX WATERLINK CL/BR | 4329-J
    SKU: 4329-J
    $349
    $544
    In stock
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    Lamotte Ph Reagent, 30 Ml | 7037-G
    Lamotte Ph Reagent, 30 Ml | 7037-G
    SKU: 7037-G
    $24.99
    $38
    In stock