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Taylor Technologies K-1770 Calcium H…

$34.00

Pool Warehouse

5.0

Quest Diagnostics Calcium Test

$52.00

Quest GMC Import

SALE

Consumer Hardness Test Ki…

$10.95

$13.69

US Water Systems

Total & Calcium Hardness Test Kit

$86.98

Cannon Water Te…

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Hardness 3 Solution 1.0Oz For Field T…

Water Test Kit + Tannins

Hardness (Total & Calcium) Test Kit …

$100.66

Sper Direct

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API Calcium Saltwater Aquariu…

Total Hardness Testing Strips - 5 …

$9.95

US Water Systems

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Hardness 2 Solution - 1.0Oz For Field …

API KH Carbonate Hardness Fresh …

Hardness Test Measuring Tube

$16.95

$21.19

US Water Systems

Extech EC400 Exstik Waterproo…

Calcium Hardness Increaser By Eco…

Total Hardness Test Kit -- 1 Drop = 0.…

$76.91

Thomas Scientific

SALE

Total Hardness Testing Strips - 50…

$9.49

$11.86

US Water Systems

Tilswall Spa & Swimming Pool W…

$99.99

Tilswall US

Fluval Fresh & Salt Calcium Fish Wat…

$18.99

Chewy.com

Exact 486629 Micro Calcium Hardnes…

Total Hardness Testing Strips - 50…

$9.49

$11.86

US Water Systems

America's Premier Quality Water Tes…

$169.00

US Water Systems

23 % price drop

Total Hardness Test Kit -- 1 Drop = 0.…

$76.91

Thomas Scientific

Tilswall Spa & Swimming Pool W…

$99.99

Tilswall US

Fluval Fresh & Salt Calcium Fish Wat…

$18.99

Chewy.com

Exact 486629 Micro Calcium Hardnes…

API GH & KH General & Carbon…

Hach Pocket Pro Ph Tester, Ph Meter …

$201.00

Amazon.com

3.5

Taylor Technologies R-0011L-E Calciu…

$37.00

Pool Warehouse

5.0

Online Water Total Hardness Analyzer

$9,367.80

Sper Direct

Calcium Hardness 2 Reagent, 30Ml

Hardness Iron & Ph Field Analysis Wa…

$147.95

$184.94

US Water Systems

Venco Boerderij Drop Hard Zout / …

Calcium Hardness Increaser, Granular

$16.95

Amazon.com

4.5

Lamotte Calcium Hardness In Fres…

$70.65

Spectra Services

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  Calcium Hardness Drop Test Kit K-1…
  $50.48
  Walmart
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  Taylor Hardness (Calcium) Drop Te…
  $48.95
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  AZ Pool Supplies
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  Taylor Hardness (Calcium/Total) Dr…
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  Taylor Drop Test, Hardness (Calciu…
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  PoolZoom.com
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  $82.99
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  Taylor Technologies K-1770 Calciu…
  $26.40
  Pool & Spa Geniuses, LLC.
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  Taylor Hardness (Calcium) Drop Te…
  $42.99
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  Taylor Hardness (Calcium) Drop Te…
  $36.99
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  Pool Vac Parts
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  Hach 5-EP Hardness Drop Test Kit …
  $82.50
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  Cole-Parmer CA
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  Thomas TK3052-Z Calcium Hardne…
  $74.11
  $148.22
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  warehousesoverstock
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  Hach Hardness Drop Test Kit-Total …
  $32.50
  Davis Instruments
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  Calcium Hardness Test Kit (5 100 M…
  $55.34
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  Everymarket INC
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  Lamotte CH2 Calcium Hardness 30…
  $23.96
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  eBay
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  Hardness (Total & Calcium) Test Ki…
  $100.66
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  Sper Scientific
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  Hach 145700 Hardness (Total Calci…
  $66.89
  $90.30
  elohimhay
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  Industrial Test Systems "Exact Calci…
  $12.11
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  Mega Depot, LLC
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  Hardness (Total & Calcium) Test Kit
  $83.19
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  AquaPhoenix Scientific
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  TAYLOR TECHNOLOGIES INC K-1…
  $43.16
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  Amazon.com
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  Hach Total Hardness Test Kit, Mode…
  $65.59
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  Lamotte Colorq Pro 7 Liquid Pool W…
  $44.72
  $89.44
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  TAYLOR Calcium/Total Hardness T…
  $95.78
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  DkHardware.com
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  Water Total Calcium Hardness Poo…
  $25.99
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  eBay
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  Hardness, Calcium & Total Test Kit
  $80.17
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  AquaPhoenix Scientific
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  Hach 5-EP MG-L Hardness Drop Te…
  $82.05
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  Cole-Parmer CA
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  Hach Hardness (Total & Calcium) T…
  $155.00
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  Core & Main
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  Industrial Test Systems "Exact Strip …
  $17.04
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  Mega Depot, LLC
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  Hardness (Total & Calcium) Test Ki…
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  DuoFoo
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  Hanna Calcium Hardness Colorimet…
  $28.00
  $64.40
  SHOP GRV
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  TAYLOR TECHNOLOGIES INC K-1…
  $61.00
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  DiscoverMyStore
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  Jbl Aqua Unisex Noir Water Test Jb…
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  Selleriemae US
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  Jbl Aqua Noir Water Test Jbl Proaq…
  $32.02
  Galop-Store US
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  Jbl Aqua Blanc Water Test Jbl Proa…
  $24.94
  Galop-Store US
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  Accurate Pool Water Test Kits Hard…
  $1.30
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  Alibaba B2B
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  Hardness, Calcium Test Kit
  $47.76
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  AquaPhoenix Scientific
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  Jbl Aqua Unisex Bleu Water Test Jb…
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SALE
Calcium Hardness Test Kits (Murexide)
$74.99

$99.99
ChemWorld.com
Free shipping
Clive Water Hardness Test Str…
$10.00
Clive Coffee GMC
SALE
Calcium Hardness Test Kits (HNB)
$54.99

$64.99
ChemWorld.com
Free shipping
SALE
Hardness, Iron, Ph, Chlorine, & TDS F…
$224.95

$281.19
US Water Systems
Taylor Drop Test Hardness Calciu…
$83.29
Pool Web
Calcium Carbide Reagent For Mois…
$207.05
Certified MTP
Hach Hardness Drop Test Kit , Hi…
$34.25
Cole-Parmer
4.5
·
1K+
Lamotte Calcium, Magnesium & Tot…
$85.68
Spectra Services
5.0
·
1
API 5-IN-1 TEST STRIPS Freshwat…
$24.98
Amazon.com
4.5
·
1K+
Lamotte 7042-G Calcium Hardnes…
$17.33
Voomi Supply
3.0
·
118
HM Digital Ph/TDS/EC/Temp…
$159.95
Cannon Water Te…
American Moisture Test | Calcium Ch…
$29.94
Floor & Decor
SALE
IRON OUT Automatic Toilet B…
$22.05

$29.99
$1.84 / 1 ct
Amazon.com
4.5
·
422
Taylor Hardness Reagent 2Oz (60 …
$8.95
PoolZoom.com
5.0
·
1
Taylor Technologies R-0012-E Hardne…
$25.00
Pool Warehouse
4.5
·
65
SALE
Fritz Aquarium Water Master Tes…
$36.74

$48.99
Chewy.com
3.5
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Hardness (Total And Calcium) Tes…
$172.13
Certified MTP
Used
100 Times/Box 090320 Hardnes…
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API MARINE CALCIUM Reef A…
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Proteam Spa Calcium Up - Spa …
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$1.25 / 1 oz
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