Safe Chemical Solutions Since 1942


Before/after of cooling tower with Rydlyme biodegradable descaler

Remove deposits and prevent bacteria on cooling tower fills! Let RYDLYME do the heavy lifting.

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RYDALL CC Coil Cleaner

Use RYDALL CC Coil Cleaner indoors or outdoors on heating/cooling coils, filters and more!

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See what RYDLYME can do for your boilers, chillers, condensers, heat exchangers & more!

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Rydlyme Heat Exchanger

RYDLYME is as much as 12x faster than other chemical descalers, with most cleaning applications completed within a few hours. Clean your critical equipment today!

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RYDLYME Tankless Water Heater Cleaning Kit

Safely clean your tankless water heater in less than 30 minutes with the RYDLYME Tankless Water Heater Cleaning Kit!

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Before/after of Banbury mixer with Rydall MP biodegradable degreaser

RYDALL MP Multi Purpose Degreaser cuts through the toughest grease and grime from heavy machinery to household appliances!

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RYDLYME Pumping Systems

Combine RYDLYME with one of our RYDLYME Pumping Systems for optimal results.

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RYDLYME Biodegradable Descaler: The World's Leading Biodegradable Descaler

Apex Engineering Products Corporation formulates and manufactures safe and biodegradable specialty cleaning chemicals for a diverse range of applications around the world.

For more than 75 years, RYDLYME biodegradable industrial descaler has been used to safely and efficiently dissolve tough mineral deposits, such as water scale, lime scale, calcium, rust and even struvite. This revolutionary descaler is fortified with a complex formula of wetting and penetrating agents that dissolve mineral deposits into solution for quick and easy disposal.
RYDLYME descales and removes scale build up and cleans cooling towers, heat exchangers, chillers, condensers, boilers and other equipment. 
Apex Engineering Products introduces RYDALL biodegradable desgreasers including: RYDALL CC Biodegradable Coil Cleaner, RYDALL MP Biodegradable Multi-Purpose Degreaser, RYDALL DD Biodegradable Definitive Degreaser, RYDALL CX Biodegradable Crude Exchanger Cleaner & RYDALL VP Biodegradable Vapor Phase Degreaser
Apex Engineering Products also introduces RYDALL Biodegradable Water Optimizer (WO) and RYDALL Biodegradable Odor Eliminator (OE).


Proven Results




APEX Quarterly: Fourth Quarter 2017 Newsletter
Inside the Fourth Quarter 2017 edition of APEX Quarterly... Pulp and paper mill cleaning with RYDLYME! Green liquor deposits are no match for RYDLYME! FOUL...
APEX Quarterly: Third Quarter 2017 Newsletter
Inside the Third Quarter 2017 edition of APEX Quarterly... Clean your boilers with RYDLYME - start ups are around the corner! Why clean your coils with...
APEX Quarterly: Second Quarter 2017 Newsletter
Inside the Second Quarter 2017 edition of APEX Quarterly... RYDLYME equipment stickers are here and available for use! What is under deposit corrosion...
Apex Engineering Products Celebrates 75 Years
Apex Engineering Products Corporation is celebrating 75 years of safe chemical solutions! Our roots date back to 1942 when Edwin J. Ostermeier serviced...




Apex Engineering Products Corporation  |  1241 Shoreline Drive  |  Aurora, IL 60504  |  Tel: 800.451-6291 or 1.630.820.8888  |  Fax: 630.820.8886  |  Made in the U.S.A.

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