Shop Pool Calcium Hardness Tester

Sponsored
About our ads
$60.99
Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
Amazon.com
2K+
Free shipping
$60.99
Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
Amazon.com
2K+
$101.99
$129.99
Taylor K-2006-SALT FAS-DPD, 9-In-1 Pool & Spa Test Kit, Free & Combined Chlorine, Ph, Acid & Base Demand, Total Alkalinity, Calcium Hardness, Cyanuric
Amazon.com
205
Free shipping
21% off
$101.99
$129.99
Taylor K-2006-SALT FAS-DPD, 9-In-1 Pool & Spa Test Kit, Free & Combined Chlorine, Ph, Acid & Base Demand, Total Alkalinity, Calcium Hardness, Cyanuric
Amazon.com
205
$40.29
Taylor Drop Test, Hardness (Calcium), EDTA K-1770
PoolZoom.com
1
$40.29
Taylor Drop Test, Hardness (Calcium), EDTA K-1770
PoolZoom.com
1
$39.09
Taylor Calcium Hardness One Drop Test Kit, K-1770 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
1
$39.09
Taylor Calcium Hardness One Drop Test Kit, K-1770 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
1
$83.29
Taylor Drop Test Hardness Calcium Magnesium - K-1722
Pool Web
$83.29
Taylor Drop Test Hardness Calcium Magnesium - K-1722
Pool Web
$31.99
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
19
$31.99
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
19
$322.94
ITS 486201-KM Pool Exact EZ Photometer Master Pool Test Kit | 10 Parameters - F/C/T Chlorine, Ph, Alkalinity, Calcium, Cyanuric, Copper, Salt, &
Amazon.com
25
Free shipping
$322.94
ITS 486201-KM Pool Exact EZ Photometer Master Pool Test Kit | 10 Parameters - F/C/T Chlorine, Ph, Alkalinity, Calcium, Cyanuric, Copper, Salt, &
Amazon.com
25
$70.88
Taylor Water Technologies - Drop Test Hardness-Calcium Magnesium Total
Pool Spa Supplies
$70.88
Taylor Water Technologies - Drop Test Hardness-Calcium Magnesium Total
Pool Spa Supplies
$62.99
Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
Walmart
Free shipping
$62.99
Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
Walmart
Free shipping
$1,795.00
15-140-7 Portable Hardness Tester Default
GreatGages
$1,795.00
15-140-7 Portable Hardness Tester Default
GreatGages
$106.09
TAYLOR Calcium/Total Hardness Test Kit K-1722
DkHardware.com
$106.09
TAYLOR Calcium/Total Hardness Test Kit K-1722
DkHardware.com
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$25.99
Water Total Calcium Hardness Pool Test Kit Pentair R151276
eBay
19
Free shipping
$25.99
Water Total Calcium Hardness Pool Test Kit Pentair R151276
eBay
19
$23.96
Lamotte CH2 Calcium Hardness 30Ml, Exp 5/2026, 7041-G Colorq. Lamotte. Pool Water Testing & Kits. 637395451263.
eBay
1
Free shipping
$23.96
Lamotte CH2 Calcium Hardness 30Ml, Exp 5/2026, 7041-G Colorq. Lamotte. Pool Water Testing & Kits. 637395451263.
eBay
1
$59.99
$64.99
In The Swim Calcium Hardness Increaser For Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 25 Pounds
Amazon.com
691
Free shipping
$59.99
$64.99
In The Swim Calcium Hardness Increaser For Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 25 Pounds
Amazon.com
691
$25.99
Water Total Calcium Hardness Pool Test Kit Pentair R151276
eBay
19
Free shipping
$25.99
Water Total Calcium Hardness Pool Test Kit Pentair R151276
eBay
19
$19.89
Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
19
$19.89
Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
19
$59.99
$84.99
K-2005 Taylor Testing Kit Complete Pool And Spa Test Kit, Alkalinity/Bromine And Chlorine (Hi-Range), DPD/CYA/Hardness/Ph
Best Pool Shop
372
29% off
$59.99
$84.99
K-2005 Taylor Testing Kit Complete Pool And Spa Test Kit, Alkalinity/Bromine And Chlorine (Hi-Range), DPD/CYA/Hardness/Ph
Best Pool Shop
372
$14.90
Calcium Hardness Indicator Tablets - Lamotte Water Test Reagent (T-5250-H)
MoreBeer!
$14.90
Calcium Hardness Indicator Tablets - Lamotte Water Test Reagent (T-5250-H)
MoreBeer!
$17.29
Taylor R-0011L Swimming Pool Liquid Test Kit Calcium Indicator, 0.75 Oz Bottle
Walmart
2
Free shipping
$17.29
Taylor R-0011L Swimming Pool Liquid Test Kit Calcium Indicator, 0.75 Oz Bottle
Walmart
2
$84.99
$90.54
In The Swim Calcium Hardness Increaser For Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 45 Pounds
Amazon.com
935
Free shipping
$84.99
$90.54
In The Swim Calcium Hardness Increaser For Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 45 Pounds
Amazon.com
935
$62.50
Hanna HI720 Calcium Hardness Colorimeter - Checker HC
eBay
Free shipping
$62.50
Hanna HI720 Calcium Hardness Colorimeter - Checker HC
eBay
Free shipping
$66.89
$90.30
Hach 145700 Hardness (Total Calcium) Test Kit, Model HA-4P
Seanluciwuss
25% off
$66.89
$90.30
Hach 145700 Hardness (Total Calcium) Test Kit, Model HA-4P
Seanluciwuss
See more
See less
    Some results have been hidden because they may be inaccessible to you.Show inaccessible results
    See more images

    Shop Pool Calcium Hardness Tester

    Sponsored
    About our ads
    $60.99
    Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
    Amazon.com
    2K+
    Free shipping
    $60.99
    Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
    Amazon.com
    2K+
    $101.99
    $129.99
    Taylor K-2006-SALT FAS-DPD, 9-In-1 Pool & Spa Test Kit, Free & Combined Chlorine, Ph, Acid & Base Demand, Total Alkalinity, Calcium Hardness, Cyanuric
    Amazon.com
    205
    Free shipping
    21% off
    $101.99
    $129.99
    Taylor K-2006-SALT FAS-DPD, 9-In-1 Pool & Spa Test Kit, Free & Combined Chlorine, Ph, Acid & Base Demand, Total Alkalinity, Calcium Hardness, Cyanuric
    Amazon.com
    205
    $40.29
    Taylor Drop Test, Hardness (Calcium), EDTA K-1770
    PoolZoom.com
    1
    $40.29
    Taylor Drop Test, Hardness (Calcium), EDTA K-1770
    PoolZoom.com
    1
    $39.09
    Taylor Calcium Hardness One Drop Test Kit, K-1770 By EZ Pool & Spa Supply
    EZ Pool & Spa Supply
    1
    $39.09
    Taylor Calcium Hardness One Drop Test Kit, K-1770 By EZ Pool & Spa Supply
    EZ Pool & Spa Supply
    1
    $83.29
    Taylor Drop Test Hardness Calcium Magnesium - K-1722
    Pool Web
    $83.29
    Taylor Drop Test Hardness Calcium Magnesium - K-1722
    Pool Web
    $31.99
    Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
    PoolZoom.com
    19
    $31.99
    Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
    PoolZoom.com
    19
    $322.94
    ITS 486201-KM Pool Exact EZ Photometer Master Pool Test Kit | 10 Parameters - F/C/T Chlorine, Ph, Alkalinity, Calcium, Cyanuric, Copper, Salt, &
    Amazon.com
    25
    Free shipping
    $322.94
    ITS 486201-KM Pool Exact EZ Photometer Master Pool Test Kit | 10 Parameters - F/C/T Chlorine, Ph, Alkalinity, Calcium, Cyanuric, Copper, Salt, &
    Amazon.com
    25
    $70.88
    Taylor Water Technologies - Drop Test Hardness-Calcium Magnesium Total
    Pool Spa Supplies
    $70.88
    Taylor Water Technologies - Drop Test Hardness-Calcium Magnesium Total
    Pool Spa Supplies
    $62.99
    Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
    Walmart
    Free shipping
    $62.99
    Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
    Walmart
    Free shipping
    $1,795.00
    15-140-7 Portable Hardness Tester Default
    GreatGages
    $1,795.00
    15-140-7 Portable Hardness Tester Default
    GreatGages
    $106.09
    TAYLOR Calcium/Total Hardness Test Kit K-1722
    DkHardware.com
    $106.09
    TAYLOR Calcium/Total Hardness Test Kit K-1722
    DkHardware.com
    $86.98
    Total & Calcium Hardness Test Kit
    Cannon Water Technology
    $86.98
    Total & Calcium Hardness Test Kit
    Cannon Water Technology
    $25.99
    Water Total Calcium Hardness Pool Test Kit Pentair R151276
    eBay
    19
    Free shipping
    $25.99
    Water Total Calcium Hardness Pool Test Kit Pentair R151276
    eBay
    19
    $23.96
    Lamotte CH2 Calcium Hardness 30Ml, Exp 5/2026, 7041-G Colorq. Lamotte. Pool Water Testing & Kits. 637395451263.
    eBay
    1
    Free shipping
    $23.96
    Lamotte CH2 Calcium Hardness 30Ml, Exp 5/2026, 7041-G Colorq. Lamotte. Pool Water Testing & Kits. 637395451263.
    eBay
    1
    $59.99
    $64.99
    In The Swim Calcium Hardness Increaser For Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 25 Pounds
    Amazon.com
    691
    Free shipping
    $59.99
    $64.99
    In The Swim Calcium Hardness Increaser For Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 25 Pounds
    Amazon.com
    691
    $25.99
    Water Total Calcium Hardness Pool Test Kit Pentair R151276
    eBay
    19
    Free shipping
    $25.99
    Water Total Calcium Hardness Pool Test Kit Pentair R151276
    eBay
    19
    $19.89
    Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
    EZ Pool & Spa Supply
    19
    $19.89
    Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
    EZ Pool & Spa Supply
    19
    $59.99
    $84.99
    K-2005 Taylor Testing Kit Complete Pool And Spa Test Kit, Alkalinity/Bromine And Chlorine (Hi-Range), DPD/CYA/Hardness/Ph
    Best Pool Shop
    372
    29% off
    $59.99
    $84.99
    K-2005 Taylor Testing Kit Complete Pool And Spa Test Kit, Alkalinity/Bromine And Chlorine (Hi-Range), DPD/CYA/Hardness/Ph
    Best Pool Shop
    372