Kilrock Slam All Purpose Descaler

Kilrock Slam All Purpose Descaler

Product code
Kilrock Slam All Purpose Descaler is rated 4.5 out of 5 by 27.
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In Stock

Delivery Options

Delivery to most of UK Mainland from £4.95

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FREE Click & Collect is available on this item

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  • Overview
  • Reviews (27)
  • Delivery
  • Returns

You can give your household appliances a new lease of life with Kilrock SLAM All Purpose Descaler. This is formulated to eliminate 100% of limescale from your appliances such as your kettle or iron.

It will improve the performance and lengthen the life of your coffee machine or shower head for your benefit. It works in just 8 minutes, making your home ready and sparkling again. 

Features and Benefits

  • Quick and easy – This descaler works in just 8 minutes, making your appliances shine again.
  • 100% removal – You can rely on this all-purpose descaler to get rid of all the limescale in your home.
  • Multipurpose – Use on any of your household appliances such as kettles, irons, toasters, shower heads, coffee machines and more. 
  • Effective - SLAM will help improve the performance and lengthen the life of your kettle, coffee machine, steam iron or shower head. 


  • Includes: 3 x 30ml sachets
  • Dimensions: H14 X W9 X D3cm
  • Weight: 90g
  • Guarantee: 1 year
  • Colour: Blue/Yellow

How To Use

  • Kettles: Half fill kettle with water and boil. Unplug and carefully add the contents of 1 sachet
  • Leave for just 8 minutes for 100% limescale removal
  • Rinse thoroughly with water
  • Coffee machines: Half fill the water reservoir and add the content of 1 sachet
  • Leave for 8 minutes and filter solution through
  • Rinse thoroughly with water
  • Steam irons: Heat iron until hot to the touch and unplug
  • Empty 1 sachet in a jug and pour into iron’s water chamber
  • Top up with water and set to steam
  • Leave for 8 minutes for the solution to drain through steam holes
  • Shower heads: Detach shower head or sprinkler nozzle and place in a jug
  • Empty contents of 1 sachet into the jug and add hot water
  • Leave for 8 minutes
  • Rinse thoroughly with water


  • Contains Lactic Acid
Reviews (27)
Rated 4 out of 5 by from Great product Amazing results done a great job at descaling my kettle
Date published: 2022-06-03
Rated 3 out of 5 by from Better concentrated than diluted Handy for immediate cleaning, however needed more time to maximise the effect of the solution and needed more to be concentrated rather than diluted
Date published: 2021-12-29
Rated 5 out of 5 by from Fabulous product I bought this item as it was displayed at the checkout and reminded me I needed to descale my coffee machine! Excellent price for 3 sachets, it worked brilliantly
Date published: 2021-12-12
Rated 5 out of 5 by from Brilliant Product, Easy to Use, Efficient Product Excellent product, very efficient, competitively priced, A+++
Date published: 2021-10-27
Rated 5 out of 5 by from Reliable for descaling It cleans really well. When I used it to descale my shower head, it looked brand new and no traces of white stuff.
Date published: 2021-09-14
Rated 5 out of 5 by from Should do the job What can you say, should be fine for the coffee machine
Date published: 2021-08-30
Rated 5 out of 5 by from Generic kettle descaler Typical descaler, good price. Would recommend, you get 3 sachets so quite cheap. Will test tomorrow but I expect there to be no issue, will update if it's not good.
Date published: 2021-08-26
Rated 3 out of 5 by from Not quite 100% removal!! Didn't remove all the limescale from sides of the kettle..but did the base 100%
Date published: 2021-07-08
  • y_2022, m_8, d_18, h_20
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.32
  • cp_1, bvpage1
  • co_hasreviews, tv_15, tr_12
  • loc_en_GB, sid_213733, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_robertdyas
  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getReviews, 6.65ms

Standard Products 

The table below outlines our different delivery charges which will be calculated on the basis of what you are ordering, where you are asking us to deliver to and what day you wish us to make a delivery. You can be confident that you will only pay one delivery charge per order regardless of how many items you order.

Delivery Charges

Standard Next Day Named Day Saturday
Mainland UK (ex Isle of Wight) £4.95 £7.95 £7.95 £9.95
Highlands & Scottish Isles £10.95 N/A N/A N/A
Isle of Man, Isles of Scilly and Isle of Wight £12.95 N/A N/A N/A
Northern Ireland N/A N/A N/A N/A

Standard delivery to most of UK Mainland is FREE on orders over £50 from Robert Dyas, use code FREEDEL50 at checkout and is available on Standard & Bulky products. This offer excludes products for delivery to Scottish Highlands, Scottish Isles, Isle of Man, Isles of Scilly and Isle of Wight.

Scottish Highlands & Islands postcodes: AB, FK, HS, IV, KA, KW, PA, PH, ZE, LL58-LL78, IM, TR, PO30-41

Typical delivery time windows: Monday-Friday: 08:00 - 19:00, Saturday: 08:00 - 18:00

For most orders, you will receive a text message update the evening before your delivery. You will receive a further text message on the morning of your delivery, providing you with a 2 hour delivery window.*

*Please make sure you enter a mobile number during checkout to receive text message updates.

Click & Collect

Robert Dyas offers a FREE Click and Collect service to Robert Dyas stores.

If you choose to have your order delivered to your local store, it is completely free and will be delivered within 5 working days (excluding Bank Holidays).

When your order arrives in your chosen store, we will e-mail you to advise that your order is ready for collection. Your order will be held in store for 7 days.

Standard Delivery

We aim to deliver items that are currently in stock in 3 to 5 working days (excluding Bank Holidays) after the date the order is placed.

Unfortunately at this time we cannot take orders for delivery to British Forces Post Offices (BFPO), Northern Ireland, Freight Forwarders, international addresses or The Channel Islands (GY, JE).

The following areas are subject to extended lead times:

  • Scottish Highlands & Scottish Isles: +7 days
  • Isle of Man & Isles of Scilly: +2 days
  • Isle of Wight: +5 days

Please note that during particularly busy periods, it may take a little longer to receive your delivery and our carrier may attempt to deliver to you on a Saturday.

Working days are defined as Monday-Friday 8am-7pm inclusive, excluding Saturday, Sunday and Public Holidays.

Next Day & Named Day Delivery

Our Next Day service to most of UK Mainland will be available for orders placed on the website from Monday to Friday before 1.00pm for a small additional charge (delivery on working days only). Orders placed after 1pm on a Friday will be delivered Tuesday.

You can also select a convenient day to receive your delivery by choosing a named day delivery (delivery on working days only).

Working days are Monday-Friday 8am-7pm inclusive, excluding Saturday, Sunday and Public Holidays.

Saturday Delivery

Orders placed before 1.00pm on a Friday (excluding Bank Holidays), can be delivered on a Saturday for an additional charge.



In the UK you have a legal right, under the Consumer Contracts Regulations June 2014, to cancel your order within fourteen (14) days following your receipt of the goods. Refunds for orders cancelled under the provisions of the Consumer Contracts Regulations will be processed in accordance with your legal rights.

You may not cancel orders for the following types of products:

  • Electrical/Technical products which have been unsealed
  • Customised or bespoke Products
  • Anything of a nature that for hygiene or associated health and safety - this includes the Outdoor Spas, Mattresses and Divan Sets
  • Fresh food

Under the Consumer Contracts Regulations June 2014 you have a duty to take reasonable care of Products whilst they are in your possession. You will receive a full refund of the purchase price of the Products.

This is not intended to be a full statement of your rights under the Consumer Contracts Regulations. Full details of your rights are available from your Local Authority’s Trading Standards Office.

How To Return A Product

If you wish to return your item to Robert Dyas, you can do so by one of the following methods:

1. Request a Collection via Robert Dyas Customer Services

Contact our Customer Services team on 0333 103 6677 (Monday- Friday 08:00 - 19:00, Saturday & Sunday 09:00 - 17:00, Closed Bank holidays. - call charges may vary by network) or via email to: customerservices@robertdyas.co.uk who will be able to arrange a collection for your item. Please ensure that you provide your order number when contacting customer services.

If you are returning the item under your 14 day right to cancel, then a collection charge will be applied:

  • Products < 20kg: £7.50
  • Products > 20kg: £30

If you are not at home when we try to collect we reserve the right to deduct from your refund or charge your credit card the direct costs to us of the failed return in accordance with the Consumer Protection (Distance Selling) Regulations 2000.

2. Post back the item to the Robert Dyas Warehouse

Click here to download a returns form or use the form on your delivery and returns note, enclosed with your goods. This method of return will be at your own cost. We also recommend obtaining proof of postage in case the item is not received by our warehouse.  

Please return items to:

Returns Department
Robert Dyas Distribution Centre
Swallow dale Lane
Hemel Hempstead

3. Visit Your Local Robert Dyas Store

Whether you bought the product in store, online or over the phone, most of our products can be returned to a Robert Dyas stores. Please bring your order confirmation as proof of purchase. Please do not attempt to return large or heavy products, including large kitchen appliances, outdoor furniture, indoor furniture etc to your local store. If in doubt of whether you should return a product to your local store, please contact customer services first.