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Nathan Olszak

With over 30 years of hands-on experience in the water treatment industry, Nathan Olszak is a trusted water treatment expert. He specializes in designing, engineering, and servicing water treatment systems. As the owner of Complete Water Solutions, Osmonics, and Membrane Cleaning Pro, Nathan has built a reputation for delivering customized water treatment solutions that enhance efficiency, reliability, and water quality across various industries, including the medical, commercial, and manufacturing sectors. Nathan’s journey in water treatment began as a service technician. He gained in-depth knowledge by working with all major brands of equipment, including Veolia, Suez, Bruner, Culligan, Pentair, Aquamatic, Osmonics, GE Water, Marlo, Lakeside, Fleck, Autotrol, US Filter, ION Pure, Siemens, Evoqua, and many others. This hands-on expertise, combined with his technical certifications, has made him a leader in water system engineering and water management.

Credentials & Expertise

  • Certifications: David H. Paul Reverse Osmosis Certification, PLC Programming
  • License: Power Plant Operating Engineer 3rd Class
  • Specialties:
  • Design & engineering of water treatment systems and advanced water systems
  • Custom water filtration systems and solutions
  • Installation, automation, and repair of water treatment systems
  • Expertise in Reverse Osmosis (RO), Deionization, Water Softening, Carbon Filtration, Iron Filtration, UV Treatment, Ultrafiltration (UF), Process Filtration, CEDI/EDI, and more
  • Specialized knowledge in Boiler Feed Water, Tower Makeup Water, and drinking water production for industries such as bottling, pharmaceuticals, and food processing
  • Project management and reclaiming of water system waste for other uses
  • Evaluation of raw water sources and potential contamination risks
  • Industrial water treatment strategies to prevent corrosion and optimize system performance
  • Boiler water treatment to enhance energy efficiency and system longevity
Nathan’s commitment to excellence extends beyond equipment sales and service. He works closely with clients to develop tailored water treatment services that optimize performance and meet their operations' unique demands. His expertise covers methods that mitigate water impurities, ensure fresh water accessibility, and maintain regulatory compliance. It also includes the design of high-efficiency reverse osmosis systems for industrial use. Nathan focuses on the latest technology in water conditioning, water softeners, filters, and pumps to improve maintenance and efficiency. His experience in laboratory testing and biofilm control ensures the highest industry standards in water treatment processes and water management.  Additionally, his deep understanding of infrastructure and water data analysis provides long-term, cost-effective solutions that promote health and safety. His expertise ensures that businesses receive top-tier, quality water treatment solutions. For insights into the latest industry trends, innovations, and best practices, explore the Complete Water Solutions Blog, where Nathan shares valuable information on water filtration systems, sustainability, and water solutions engineering.   Give Us A Call (855) 787-4200 or Email info@complete-water.com
Industrial Water System Sanitization, complete water solutions

Industrial Water System Sanitization

April 11, 2018 · By Nathan Olszak
Join Nathan with Complete Water Solutions as we take a quick look at sanitization. This is extremely important for Food, Pharmaceutical, and Beverage Manufacturers. Industrial Water System Sanitization: Protecting Performance, Compliance, and Product Integrity In beverage, pharmaceutical, food, energy, and mining operations, water is not just a utility. It is a critical process component. Without [...]
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water treatment training, water system training, classroom training ro water

Onsite Hands On Training – RO Training & Pre-Treatment

April 4, 2018 · By Nathan Olszak
Complete Water Solutions offers onsite Water Equipment Training for you and your team in the field of Water Treatment Equipment. Comprehensive Onsite Water Equipment Training Our comprehensive program will provide everything from the basics to hands-on troubleshooting and repair of your water treatment equipment. It's customized training on your system! We provide everything from parts, [...]
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Softener Tank Replacement – Is Your Softener Tank Under Warranty?

March 28, 2018 · By Nathan Olszak
Leaking Softener Vessel Complete Water Solutions was contracted to replace a softener vessel that was leaking. The old softener vessel was removed and disposed of. Complete Water Solutions supplied a new fiberglass softener vessel 36″ Diameter x 72″ Tall made for a Fleck 3900 Softener Valve. The new tank was manufactured by Pentair and comes [...]
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professional water system sanitization, complete water solutions

Professional Water System Sanitization

March 21, 2018 · By Nathan Olszak
Complete Water Solutions is trusted by some of the top manufacturers in the pharmaceutical industry to perform routine Water System Sanitization Service. Complete Water Solutions can work on all major brands of water treatment equipment, even bringing experience that can help keep your system up to good quality standards. Scheduled Water System Maintenance Not sure [...]
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Fleck 3900 Softener Repair, Emergency Softener Repair, complete water solutions

Fleck 3900 Softener Repair – Emergency Softener Repair

March 14, 2018 · By Nathan Olszak
Emergency Softener Repair Prevents Brine Tank Overflow Complete Water Solutions was recently called out for an emergency repair after a facility noticed one of their softeners had gone hard and the brine tank was overflowing. Once onsite, our technicians quickly diagnosed the issue and uncovered the root cause before it resulted in more serious system [...]
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Industrial Iron Filter Turnkey Solution, complete water solutions

Industrial Iron Filter Turnkey Solution

February 28, 2018 · By Nathan Olszak
Complete Water Solutions was contracted to provide an iron filter turnkey Replacement. The existing iron filter was leaking media into the food production facility causing issues with the product and other various equipment throughout. The existing iron filter was loaded with Greensand Media, Aquamatic Blocking Valves along with Time Clock Stager Operation. Iron Filter Turnkey [...]
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Membrane Reload 8" Reverse Osmosis, complete water solutions

Membrane Reload 8″ Reverse Osmosis

February 21, 2018 · By Nathan Olszak
Reverse Osmosis Professionals Complete Water Solutions can service all major manufacturers of Reverse Osmosis Systems. This Nalco / Crossbow Reverse Osmosis system was producing water that was not meeting the quality set forth for system design. After attempting to clean the RO System it was found that the system was not recovering. Nalco / Crossbow [...]
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complete water solutions, service locations, reverse osmosis service usa

Complete Water Solutions Past Service Locations

February 16, 2018 · By Nathan Olszak
See our past service locations below!  Water System Service Across the United States and Beyond!No matter your location, Complete Water Solutions can help with all of your Industrial Reverse Osmosis parts, service, and repair! (855) 787-4200 info@complete-water.com
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Paint Line Pretreatment Washer – Reverse Osmosis System

February 10, 2018 · By Nathan Olszak
Complete Water Solutions can help with your Paint Line Pretreatment Washer. The pretreatment washer is considered the most important part of the coating process in order to achieve a desirable and long-lasting finish. At Complete Water Solutions our sole focus is on providing clean Reverse Osmosis / Low Conductivity Water for this process. The cleaner [...]
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Industrial Reverse Osmosis & DI Water System Service – Don’t Stress

January 31, 2018 · By Nathan Olszak
Don’t Stress About Your Water System! Let our team help you with Industrial RO & DI Water System Service. Complete Water Solutions provides services for Industrial Water Treatment Equipment. Reverse Osmosis Carbon Filtration UV Systems Deionization Water Softeners And Many More (Don't See It Here Check Out Or Website) We service all major manufactures – [...]
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polishing softener, complete water solutions, Plastic Molding Equipment Water Scale

Plastic Molding Equipment: Water Scale

January 24, 2018 · By Nathan Olszak
Complete Water Solutions was called out to help with plastic molding equipment after a new extruder machine scaled up due to hard water. The scale caused thousands of dollars of downtime. Complete Water Solutions did a full audit of the facility and found that hard water and the lack of adequate chemical treatment was causing [...]
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selecting an ro membrane, complete water solutions, ro membrane replacement

Need Help Selecting An RO Membrane? Not Sure What You Have?

January 10, 2018 · By Nathan Olszak
At Complete Water Solutions we have membrane experts on hand to help you select the appropriate membrane for your Reverse Osmosis System. Selecting An RO Membrane - When Do You Replace Them? We get this question quite often, while there is no exact date to when you should replace your RO membranes there are some [...]
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