Kilrock Big W Dishwasher & Washing Machine Descaler - 400ml

Kilrock Big W Dishwasher & Washing Machine Descaler - 400ml

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In Stock

Delivery Options

Delivery to most of UK Mainland

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Free Click & Collect

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  • Overview
  • Reviews (7)
  • Delivery
  • Returns

This Kilrock Big W Dishwasher & Washing Machine Descaler gives your dishwasher or washing machine a good clean and leaves it shining and smelling fresh.

This powerful formula helps break down limescale build-up caused by hard-water in all areas of your large appliances, improving their overall efficiency and prolonging machine life.

It's kind to your appliance and will even save you electricity by removing deposits on heating elements, making this de-scaler a must have for your home!

Features and Benefits

  • Scented - This descaler helpfully leaves your appliances feeling fresh with a wonderful fragrance.
  • Specially formulated – This descaler is designed to work on your dishwasher and washing machine to de-scale and freshen them, making them feel brand new again!
  • Easy to use – All you need to do is pour this formula into your machine and run it on an empty cycle.
  • Improves performance – This descaler is designed to prolong both your washing machine and dishwasher's lives, improving their efficiency.


  • Made in the UK
  • Capacity: 400ml
  • Prolongs machine life
  • 2 effective doses
  • Descale your appliances as often as your kettle

How To Use

  • Descaling your dishwasher
  • Empty machine
  • Ensure food filter in the floor of the machine is free from any debris
  • Pour one dose (200ml) of Big-W into the base of the machine
  • Run machine once on normal setting When cycle is finished, machine is ready to use
  • Descaling your washing machine
  • Empty machine Pour one dose (200ml) of Big-W into the detergent tray
  • Run machine on one normal cycle at 40 degrees
  • No prewash
  • When cycle is finished, machine is ready to use


  • Contains Phosphoric Acid
Reviews (7)
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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 

Unfortunately, this item is not available for Delivery due to courier restrictions. This item can only be click & collected into a Robert Dyas store. 




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 this item to Robert Dyas, you can only do so by the following method:

1. Visit Your Local Robert Dyas Store

Please bring your order confirmation as proof of purchase. If in doubt of how to return this product, please contact customer services first on 0333 103 6677 (Monday- Friday 08:00 - 17:00, Saturday 09:00 - 17:00, Sunday 09:00 - 17:00 - call charges may vary by network) or via email to: [email protected].