Hercules® 32 oz. Sludgehammer™ Universal Corrosion Inhibitor

Herculas Logo.png

Hercules® Sludgehammer™ Universal Corrosion Inhibitor protects against corrosion and lime-scale build-up while helping maintain heating system efficiency.

Click a file below to view/download

  • pdfSeasonal Boiler Maintenance Tips https://www.oatey.com//ASSETS/DOCUMENTS/ITEMS/EN/Oatey_BoilerMaintenance20170912_R1.pdf
  • pdfCanada SDS - English https://www.oatey.com//ASSETS/DOCUMENTS/ITEMS/EN/SDS Canada - Sludgehammer Universal Corrosion Inhibitor.pdf
  • pdfCanada SDS - French https://www.oatey.com//ASSETS/DOCUMENTS/ITEMS/EN/SDS Canada Canadian French - Sludgehammer Universal Corrosion Inhibitor.pdf
  • pdfSDS https://www.oatey.com//ASSETS/DOCUMENTS/ITEMS/EN/SDS US - Hercules Sludgehammer Inhibitor.pdf
  • Part Number: 35297
  • Min. Order QTY: 6
  • UPC: 032628352971
  • Case QTY: 6


  • Suitable for all metals, including aluminum, cast iron and stainless steel
  • Meets ASTM D 4340 - Corrosion Test for cast aluminum alloys in engine coolants
  • Replaces Cryo-tek Inhibitor (35276 & 35278) and Cryo-Tek AL Inhibitor (35277 & 35274) in the United States
  • Replaces Cryo-tek Inhibitor (352769) in Canada


Similar Product

Availability By Branch

Branch Name Available

Write Review

Atleast 50 Characters. You can Express Upto 1000 Characters

the choice of plumbing professionals

follow us

Download Our Apps

LoginSign Up

Forgot your Password?


An Email Id is required to process your orders. Please enter your email id and click update.