Acid Replacement

Acid Replacement

Regular price $36.00


ESAR is a natural acid replacement that provides powerful yet completely biodegradable all-purpose cleaning to remove tough water scale, soap scum, rust stains, grease, mildew and molds. Not only does it outperform typical acids including phosphoric, citric, hydroxyacetic, sulfamic and oxalis, it will save you money. It is 70% more effective than citric acid and glycolic acid and 50% more effective than phosphoric acid when used to dissolve calcium carbonate.  ESAR provides fast removal of calcium, lime, rust, and other deposits typically found on metal surfaces. Unlike acids, it does not pit, streak or blacken metals.


  • Organic salt that acts like an acid; pH & pK of less than 1.0
  • Foaming action will allow for longer dwell time
  • Replaces multiple acid blends
  • Perfect fit in concentrated cleaners – has no solubility limits
  • Phosphate free & contains no VOCs
  • Excellent replacement for phosphoric and nitric acid


Kitchens: Floors, walls, grouting, stainless steel equipment, food preparation surfaces, steam tables, fish tanks, coffee makers, blenders, and other appliances

Housekeeping: Bathrooms to clean toilets, urinals, tile floors, walls, sinks faucets, tubs and showers

Processing Plants: Tile, floors, walls, grouting, and stainless steel equipment

Rust Removal: Metal surfaces, concrete, toilets, urinals

Engineering: To remove hard water scale from heating, air conditioning equipment and humidifiers

General Maintenance: Cement sidewalks, terrazzo floors, patios, and around swimming pools


  • Remove excess dirt and grime 
  • Dilute ESAR 1:30 with water 
  • For stubborn areas, make up a more concentrated solution 
  • Apply by brush, cloth 
  • Let ESAR sit for several minutes
  • Scrub thoroughly when applicable and rinse with water


  • 2 Litre Jug 
  • 20 Litre (5 gallon) 


If you have any questions please contact us via email at or at 1-866-444-7174.

Why choose us?

Safe for the Environment

Our powerful formulations are tough enough for industrial applications yet are also effective for household usage and are safe to use around children, pets and our environment.

Solutions Based on Science

Our product formulations include high grade macro and micro nutrients, plant extracts, amino acids, enzymes, proteins, vitamins, minerals and complex carbohydrates.


Thank you for all of you assistance with this order. This was my first order with your company, and I’m sure I’ll be a repeat customer because of your wonderful service.


The products that I received from Earth Smart took my lawn to the next level. I highly recommend their products to anyone that wants golf course like conditions.