Pros

  • Highly effective in removing calcium, soap scum, and rust scale deposits, especially in hard water areas.
  • Works quickly and efficiently on water spots and rust stains.
  • Users report consistent satisfaction and superior performance compared to similar products.
  • Restores appearance of red brick by removing mortar effluent.
  • Shows noticeable improvement on fountain walls and driveways.
  • Considered safer than similar products that can cause severe skin burns.
  • Greatly enhances the flush strength of older toilets.

Cons

  • May require scrubbing and multiple applications on tough stains.
  • Less effective in colder weather; effectiveness might improve in warmer conditions.
  • Does not effectively remove rust stains from driveways, even with repeated applications.
  • Users might need to complement with other products or replace toilets for comprehensive success.
  • Advisable to avoid pouring directly into the toilet tank to prevent potential gasket corrosion.

Bottom Line

Jelmar CLR PRO Calcium, Lime & Rust Remover is a powerhouse when it comes to tackling hard water deposits and stubborn stains, with many users praising its quick efficiency. However, be prepared to apply some elbow grease, especially for those driveway rust spots. It’s a safer option compared to harsher alternatives, but users should follow instructions carefully to avoid any damage to fixtures. Overall, it’s a go-to solution for reviving surfaces marred by calcium and rust, but you might want to keep another product handy for any especially tough problem areas.

Lowest at any Popular Retailer
$22.98 at Amazon

Where to Buy

Prices last updated: May 30th 2025 11:03 pm
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