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Water hardness test kit

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Home / Measurement & Testing Equipment / Water hardness test kit refurbished & used for sale | For Sale
Total water hardness test - water,

Total water hardness test - water,

€3.99
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Total water hardness test - water,

Total water hardness test - water,

€3.95
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Water hardness test - water, strips

Water hardness test - water, strips

€12.82
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Water hardness test kit - water,

Water hardness test kit - water,

€10.44
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Water hardness test kit for - water,

Water hardness test kit for - water,

€12.65
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Total water hardness test - hardness,

Total water hardness test - hardness,

€3.99
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100 pack drinking water - in,

100 pack drinking water - in,

€9.10
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Water hardness test - test, easy

Water hardness test - test, easy

€13.99
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Pcs drinking water test - drinking, kit

Pcs drinking water test - drinking, kit

€7.91
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50x 5in1 pool spa test - pool,

50x 5in1 pool spa test - pool,

€2.88
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Water hardness test kit - hardness,

Water hardness test kit - hardness,

€14.99
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Api water test kit - &, kh

Api water test kit - &, kh

€11.99
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Water hardness test kit 150 - water,

Water hardness test kit 150 - water,

€13.25
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Professional 7in1 swimming - professional,

Professional 7in1 swimming - professional,

€9.79
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Water hardness test - hardness,

Water hardness test - hardness,

€13.99
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Water hardness analysis test - hardness,

Water hardness analysis test - hardness,

€11.39
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Water hardness test - hardness, kit

Water hardness test - hardness, kit

€9.99
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Water hardness test kit 150 - hardness,

Water hardness test kit 150 - hardness,

€12.41
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Api liquid test - &, kit

Api liquid test - &, kit

€11.49
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Total water hardness test - total,

Total water hardness test - total,

€12.99
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Water hardness test strips - water,

Water hardness test strips - water,

€15.02
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Drinking well water - water, home

Drinking well water - water, home

€6.99
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Water hardness test strips - water,

Water hardness test strips - water,

€3.99
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Labs test kits - nt,

Labs test kits - nt,

€9.49
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Premium water hardness - water, test

Premium water hardness - water, test

€12.39
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Varify water hardness test kit - test,

Varify water hardness test kit - test,

€12.41
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Water testing strips kit - water,

Water testing strips kit - water,

€3.99
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50x 5in1 pool spa - 50x,

50x 5in1 pool spa - 50x,

€2.41
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Drinking water test - in,

Drinking water test - in,

€12.56
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Brita water hardness - brita,

Brita water hardness - brita,

€12.39
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Labsales 30x alkalinity - 30x, &

Labsales 30x alkalinity - 30x, &

€14.99
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Simplex health drinking water - simplex,

Simplex health drinking water - simplex,

€24.99
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Water hardness test - water,

Water hardness test - water,

€12.79
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Water hardness test - water,

Water hardness test - water,

€6.37
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Waterworks total water - waterworks,

Waterworks total water - waterworks,

€12.99
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Water hardness test - hardness,

Water hardness test - hardness,

€16.04
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50x 5in1 pool spa - test, strips

50x 5in1 pool spa - test, strips

€2.87
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Total water hardness test - total,

Total water hardness test - total,

€6.80
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Aquarium test kit holder rack - aquarium,

Aquarium test kit holder rack - aquarium,

€11.99
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Labsales hot tub - hot, spa

Labsales hot tub - hot, spa

€10.99
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Pcs water testing kits for - water,

Pcs water testing kits for - water,

€7.91
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Drinking water test - test, 125

Drinking water test - test, 125

€13.72
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Drinking water test - drinking,

Drinking water test - drinking,

€4.99
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Water hardness test - hardness, 50

Water hardness test - hardness, 50

€7.56
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Pawfly water hardness test - water,

Pawfly water hardness test - water,

€6.37
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Total hardness water test - total,

Total hardness water test - total,

€8.90
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Tds meter pure - tds,

Tds meter pure - tds,

€14.99
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Pawfly hard water - water, strips

Pawfly hard water - water, strips

€6.37
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Premium water hardness - premium,

Premium water hardness - premium,

€12.39
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125 strip 1 drinking - 125,

125 strip 1 drinking - 125,

€13.48
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50x 5in1 pool spa - pool,

50x 5in1 pool spa - pool,

€3.99
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50x 5in1 pool - 5in1, spa

50x 5in1 pool - 5in1, spa

€3.39
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Varify water hardness test kit - test,

Varify water hardness test kit - test,

€12.32
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Weaqua water hardness - hardness, kit

Weaqua water hardness - hardness, kit

€6.75
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50x 5in1 pool spa test - pool,

50x 5in1 pool spa test - pool,

€3.12
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Varify water hardness test kit - hardness,

Varify water hardness test kit - hardness,

€12.41
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50x 5in1 pool spa - 50x, test

50x 5in1 pool spa - 50x, test

€4.99
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Jbl proaquatest carbonate - proaquatest,

Jbl proaquatest carbonate - proaquatest,

€7.79
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Labs aquarium test - aquarium, kits

Labs aquarium test - aquarium, kits

€8.40
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50x 3in1 pool spa test - pool, strips

50x 3in1 pool spa test - pool, strips

€1.99
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50x 5in1 pool - 50x, test

50x 5in1 pool - 50x, test

€3.89
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Drinking water test - drinking,

Drinking water test - drinking,

€21.74
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50x 5in1 pool - pool, spa

50x 5in1 pool - pool, spa

€3.39
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50x 3in1 pool - pool, test

50x 3in1 pool - pool, test

€1.89
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Api master test - api,

Api master test - api,

€29.99
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Labs aquarium water test - nt,

Labs aquarium water test - nt,

€9.99
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Sensafe total water - water, hardness

Sensafe total water - water, hardness

€12.99
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Mains private drinking - mains,

Mains private drinking - mains,

€17.70
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50x 5in1 pool spa test - 50x,

50x 5in1 pool spa test - 50x,

€2.97
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Premium water hardness - premium,

Premium water hardness - premium,

€22.01
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Water hardness test strips - water,

Water hardness test strips - water,

€6.82
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Pcs water testing strips - 60,

Pcs water testing strips - 60,

€7.91
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Water hardness tablets 10no - water,

Water hardness tablets 10no - water,

€3.15
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Salifert profi test kit marine - profi,

Salifert profi test kit marine - profi,

€13.99
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50x 5in1 pool spa - spa, test

50x 5in1 pool spa - spa, test

€2.89
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Weaqua water hardness test - water, kit

Weaqua water hardness test - water, kit

€9.85
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50x 5in1 pool - 50x, test

50x 5in1 pool - 50x, test

€3.79
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Water hardness test strips - hardness,

Water hardness test strips - hardness,

€7.22
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Total hardness water test - total,

Total hardness water test - total,

€6.37
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Total hardness test - 50-in-1,

Total hardness test - 50-in-1,

€8.42
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Weaqua water hardness - water, test

Weaqua water hardness - water, test

€9.89
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Jbl proaquatest total - jbl,

Jbl proaquatest total - jbl,

€12.99
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Weaqua water hardness test - weaqua, kit

Weaqua water hardness test - weaqua, kit

€7.56
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Water hardness test strips - water,

Water hardness test strips - water,

€7.21
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50x 5in1 pool - 50x, strips

50x 5in1 pool - 50x, strips

€2.83
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Water hardness test - hardness, kit-150

Water hardness test - hardness, kit-150

€20.48
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Varify 150 strips water - varify,

Varify 150 strips water - varify,

€18.08
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Varify premium water - 2x,

Varify premium water - 2x,

€9.45
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50x 6in1 pool spa test - pool,

50x 6in1 pool spa test - pool,

€3.35
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Varify water hardness - water,

Varify water hardness - water,

€14.21
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50x 5in1 pool spa - 50x,

50x 5in1 pool spa - 50x,

€3.79
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Test fish tank - in, water

Test fish tank - in, water

€8.99
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Water hardness test kit - water,

Water hardness test kit - water,

€27.60
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Brita professional water - brita,

Brita professional water - brita,

€15.60
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Professional home water - professional,

Professional home water - professional,

€11.79
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100x 16in drinking water - 100x,

100x 16in drinking water - 100x,

€13.57
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📊96 listings · from €1.89 · avg €10.03
⚠️ These listings were last updated more than 15 days ago. Search for fresh listings

Browse 96 water hardness test kit listings currently in our index. Prices range from €1.89 to €29.99, with an average of €10.03. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about water hardness test kit →

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Everything you need to know about water hardness test kit

Whether you are looking for a brand-new or second-hand water hardness test kit, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at €1.89, while premium listings can reach €29.99 — giving you a wide budget spread to work with. The average price of €10.03 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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