Water Hardness Test Kit

By Calmag Product code: 91729 Pack size: Each

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Product Details

• 15 droplet tests in one kit
• Colour changes to reflect exact water hardness level
• Gives recommendations of required water treatment
Helpline No. 01535 210320.

Delivery details

Covid-19 Update

  • Free Next Business Day delivery for orders over £25 to home and site is available for orders placed before 6pm
  • Saturday and Sunday delivery is now available for orders placed before 4pm on Friday for Saturday delivery and 4pm Saturday for Sunday delivery, see here for details
  • Pre-12 delivery service is now available. Place your order before 6pm Mon – Fri for next business day delivery by 12pm. Orders placed after 6pm Friday and before 6pm Sunday will be delivered by 12pm Monday. UK mainland
  • Once your order has been dispatched you will receive an invoice email with the courier details and your tracking number
  • Alternatively go to MyAccount, click on your Order History, click on the TRACK icon to link through to the carrier website and the tracking details for your delivery
  • Delivery direct from suppliers is now available and specific delivery times will be displayed on the product page
Order Value: Under £25 Over £25 but less than £75 £75 & Over
Next Business Day Delivery (Mon-Fri) usually before 6pm £5 Free Free
Pre-12 Delivery before 12 noon Next Business Day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery order by 4pm Friday £10 £5 Free
Sunday Delivery order by 4pm Saturday £10 £5 Free


Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details

Covid 19 Update

Click & Collect

  • Branches are now fully open and operating safely in line with government guidelines
  • Safe contactless collection is available 7 days a week at our branches
  • Our branches are open 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday
  • Keeping our colleagues and customers safe and well and respecting stringent social distancing requirements is our number one priority – 2 metre rule enforced
  • Our available product range will not require more than 1 person to lift
  • Please see our guide to click and collect below

  • Please ensure that your mobile number is added so that we can text you when your order is ready to collect

Call & Collect

Due to current trading conditions we have suspended our Call & Collect service until further notice.

If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 7pm Mon-Fri (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Reviews
Water Hardness Test Kit is rated 3.4 out of 5 by 34.
Rated 1 out of 5 by from Wildly inaccurate! Check expiry date before paying I can only assume that there's a quality control issue here as some people's reviews are very positive and say the results seem right. Southern Water say my supply is 250ppm or 17.7 degrees Clarke, My old 2-bottle kit was very consistent with this and itself over time. My water softener is functioning and the old kit gave a value of 12 Clarke. A test strip read 7-11 GPG or about 150 ppm. This Calmag test took 25 drops for the colour change from pink to blue. It was a clear change; impossible to miss. I agitated the bottle after every drop and have had years of experience! 25 drops means 500ppm, which is twice the level stated by the supply company!! I shall be contacting Calmag. I have just checked the expiry date; 07/20! It seems i should contact Toolstation, who sold it to me 2 days ago!!!
Date published: 2020-10-10
Rated 5 out of 5 by from Nice Good buy..............,,,,
Date published: 2020-07-22
Rated 3 out of 5 by from Easy test for hard water Quick and easy to use product to test water hardness. Shame it has very short shelf life, less than a month.
Date published: 2020-06-29
Rated 5 out of 5 by from I came; I did; I went! I placed my online order; I successfully used my credit card to pay, got into my car, went to the outlet, queued in a manner respectful of social distancing, collected my order and left with a smile on my face!
Date published: 2020-06-26
Rated 4 out of 5 by from Good Seems to work about right. Have used with my tap water and water out of a Brita jug and seems to be about accurate though i have now way of being sure.
Date published: 2020-06-16
Rated 5 out of 5 by from Water hardness Test Good price and easy to use Instructions just fill to 10ml add one drop mix then count drops after
Date published: 2020-04-23
Rated 5 out of 5 by from Water softness tester kit So easy to use and understand.
Date published: 2020-04-11
Rated 4 out of 5 by from Simple piece of kit I bought this kit to check my water softener was working properly. It did what it said on the tin
Date published: 2020-03-02
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