Book Your Pool Opening Now >

Muriatic Acid 4 L



Muriatic Acid is multi-purpose pool maintenance chemical; with the ability to reduce pH levels, clean, etch, and descale a wide variety of materials.


Central WarehouseIn Stock

Please Note: Products might not be available at all locations.

Muriatic Acid 4 L Offers Users Many Uses!

To reduce the pH of swimming pool water first test your water to determine the amount of Muriatic Acid 4 L needed. Carefully pour acid in small quantities in several locations directly into the pool. Circulate your pool water for 1-2 hours prior to re-testing and possible further additions.


To clean or etch concrete and masonry please dilute acid to desired strength. Rinse the area with water and apply the acid with a nylon brush. Then, rinse well with clean water.


To descale porcelain, glazed tile and to clean metal mix the Muriatic Acid with equal parts of water. Test the strength on a small area prior to the overall application. Rinse the area with water and apply the acid with a nylon brush. Please then rinse well with clean water.


To remove white efflorescence from brick, mix one part acid with three parts water. Test the strength on a small area prior to the overall application. Please rinse the area with water and then apply the acid with a nylon brush. Rinse well with clean water.


Muriatic Acid 4 L is extremely corrosive. The purchaser assumes all responsibility for the safe transport, storage and handling or this product. The vendor is not responsible for damages resulting from misuse or careless handling. Please remember to always add acid to water, never add water to concentrated acid.


Product Specifications:

  • pH: Less than 1.0
  • Colour: Light yellow
  • Fragrance: Pungent
  • Dilution Rate: Medium to light application 1:3; Heavy duty application 1:1



Product Videos

Muriatic Acid 4 L Replacement Parts

SKU / Part #NamePrice  

Find Additional Replacement Parts

Curbside Pickup


Click here for a full list of our store locations.


For full details of how to make a return, please view our returns information.

Need Help Designing Your Outdoor Retreat?

Let us help you bring your vision to life with one-on-one consultations with our design team who specialize in room styling, product knowledge and forward-thinking style solutions to make you feel right at home.

Schedule A Virtual Appointment

Book your one-on-one appointment today to virtually walk the store with a sales associate.


Reviews (2)

Samanta J.

6 days ago

Good, perfect size

Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ducimus cum dolores assumenda asperiores facilis porro reprehenderit animi culpa atque blanditiis commodi perspiciatis doloremque, possimus, explicabo, autem fugit beatae quae voluptas!

John Doe

5 days ago

Very good

Sed, molestias, tempore? Ex dolor esse iure hic veniam laborum blanditiis laudantium iste amet. Cum non voluptate eos enim, ab cumque nam, modi, quas iure illum repellendus, blanditiis perspiciatis beatae!

Related Products You May Also Like