Citric Acid by Fill

From Regular price £3.20 Available

All around home cleaner and descailer. Tackles limescale like no other. Made in the UK, vegan, non-toxic and biodegradable.

Fill Type
Container Type

Home clean all-rounder

Tackle limescale

Made with care by Fill Refill Co., a family business in Northamptonshire, UK. Eco-friendly ingredients - non-toxic, dye-free, vegan and biodegradable.

Make your own descaler & shower clean. Especially good at tackling limescale due to its mineral properties.

Please note: that citric acid can become clumpy when exposed to air. It’s fine to use – just break up with a spoon before use.

How We Work

PLACE ORDER: Choose ‘First Fill’ if you want a new bottle, or ‘Refill’ if you already have a bottle, is empty, and want to swap it for a filled one. Tip: Having two bottles may help you to have one in use and one to swap, so you never run out of product.

DELIVERY TO YOUR DOOR: Tuesdays and Fridays from 9 am to 10 pm. We'll leave your products at your doorstep and pick up empties to keep the cycle going. Tip: If you're not home just let us know in the check-out note or contact us to arrange a safe place.

REORDER & REUSE: When running low, reorder and we’ll come to swap your bottle for a filled one. Tip: Keep your bottles in circulation so you’re only paying for the product and not the bottle!

Want to use your own containers? Contact us to arrange service.


How To Use

Descale the kettle: Half fill kettle. Boil. Add 2 tsp. Stand until cool and rinse well.

Descale the toilet: Add warm water to bowl. Add 2 tbsp. Leave for 1 hr + flush.

For bathroom cleaning: Add 1 tsp to 1L water. Spray on. Leave for 30 seconds. Wipe off.

IMPORTANT: Don’t use on natural stone. Test on an inconspicuous area before use.


INGREDIENTS 100% Citric Acid (Chelating Agent)

Information provided by FILL, we cannot be held liable in instances where it is incorrect. For more info click here


Be aware of the use of glass containers in wet areas. To avoid hazards we recommend decanting your products in your own reusable containers when possible. It will also help you keep the glass bottles in circulation for your next refill.

Keep products away from children's reach. Causes serious eye irritation. IF IN EYES: Rinse cautiously with water for several minutes.


Need some help? Ask us!

  • Vendor : SESI
  • Type : Cleaning
  • closed-loop refills closed-loop refills
  • Natural Ingredients Natural Ingredients
  • zero-emissions delivery zero-emissions delivery
  • planet-friendly products planet-friendly products