Blog
Visit AQUALITEK’s blog page to explore expert tips on membrane systems, water filtering, ion exchange, and tailored purification solutions. Keep up with the latest sustainable water technologies and global trends from our Guangzhou-based water treatment specialists. Discover smarter solutions for clean and safe water today!
What Efficiency Does Operating Current Directly Measure?| Insights by AQUALITEK
Operating current is one of the most commonly monitored parameters in industrial equipment and RO systems. But what efficiency does it actually represent? This Best-practice guide clearly explains what operating current directly reflects, what it does not measure, and how operators should correctly interpret current data in daily operation.
How Long Should an RO System Be Flushed After Replacing Pretreatment Filter Media?| Insights by AQUALITEK
After replacing pretreatment filter media such as activated carbon or multimedia filters, improper flushing can allow fines, air, or residual chemicals to enter the RO system and cause irreversible membrane damage. This Best-practice guide explains how long flushing should take, what standards must be met, and when it is safe to start the RO system.
Best Ways to Quickly Identify Whether an RO Membrane Element Is New or Used| Insights by AQUALITEK
In industrial RO systems, distinguishing between new and used membrane elements is critical for installation, troubleshooting, and warranty management. This Best-practice guide explains fast, reliable, and field-proven methods to identify whether an RO membrane element is new or old—without complex testing.
Best Standards for Flushing Water After Chemical Cleaning Before Connecting to the Product Water Tank| Insights by AQUALITEK
After chemical cleaning (CIP) of an RO system, improper flushing can allow residual chemicals to contaminate the product water tank, causing quality failures and safety risks. This Best-practice guide explains the mandatory standards flushing water must meet before it is allowed to enter the product water tank.
What Must Be Confirmed Before Adding Chemicals to an RO System| Insights by AQUALITEK
Adding scale inhibitors or bactericides without proper verification can cause irreversible RO membrane damage and system failure. This Best-practice guide explains the critical checks that must be completed before dosing any chemicals into an RO system.
Which Direction Should RO Membrane Markings Face During Installation?| Insights by AQUALITEK
Incorrect orientation of an RO membrane element during installation can lead to internal leakage, reduced salt rejection, and even mechanical damage. This Best-practice guide clearly explains which side of the membrane markings should face, why it matters, and how to avoid common installation mistakes.
Best Reverse Osmosis Water Filter Systems for industry in 2026
A comprehensive 2026 guide to finding the best reverse osmosis water filter system. This article explores how RO technology works, its efficiency and contaminant removal capabilities (including fluoride and microplastics), installation costs, and expert recommendations for homeowners and businesses.
Best Immediate Actions to Take When a Sudden Increase in Influent Hardness Is Detected| Insights by AQUALITEK
A sudden spike in influent water hardness is a serious operational risk for RO systems and can cause rapid, irreversible membrane scaling. This Best-practice guide explains the immediate steps operators must take to protect RO membranes, stabilize system operation, and prevent costly downtime.
Best Practical Ways to Verify the Accuracy of Product and Concentrate Flow Meters in RO Systems| Insights by AQUALITEK
Inaccurate flow meter readings can lead to incorrect recovery calculations, membrane damage, and inefficient RO operation. This Best-practice guide explains simple, fast, and reliable methods to verify whether product water and concentrate flow meters are reading accurately—without specialized calibration equipment.
Best Simple Protective Measure for RO Systems Scheduled to Shut Down for 3–7 Days| Insights by AQUALITEK
When an industrial RO system is expected to stop running for 3–7 days, improper handling can lead to biological growth, foul odors, and even irreversible membrane damage. This Best-class guide explains the simplest, safest, and most reliable protection method, along with steps, reasons, and essential precautions.
Best Ways to Quickly Determine Whether an Odor in RO Permeate Originates Before or After the Membrane| Insights by AQUALITEK
Learn how to rapidly identify whether an odor in RO permeate is caused by issues in the feed water (before the membrane) or contamination occurring after the membrane. This guide provides practical diagnostic methods, expert tips, and actionable procedures for RO operators and water treatment professionals.
Best Safety Precautions for Disassembling RO Membrane Housing End Plates| Insights by AQUALITEK
Learn the essential safety precautions required when disassembling RO membrane housing end plates. This guide covers risks, step-by-step protective measures, and best practices to ensure safe, efficient RO system maintenance.
What Tasks Still Require Manual Intervention in a Fully Automated RO System?| Insights by AQUALITEK
Even the most advanced fully automated RO (Reverse Osmosis) systems cannot operate 100% unattended. This article explains which operational, maintenance, and monitoring tasks still require manual intervention—and why these actions are essential for long-term system stability, membrane protection, and water quality control.
Why Is the pH Value of RO Treated Water Usually Lower Than That of the Influent?| Insights by AQUALITEK
RO (Reverse Osmosis) produced water often shows a slightly lower pH compared to the feed water. This article explains the scientific reasons behind this phenomenon, the impact on system performance, and what operators should know when monitoring RO permeate pH.
What Is the Main Purpose of Low-Pressure Flushing Before and After RO System Startup and Shutdown?| Insights by AQUALITEK
Low-pressure flushing is a standard and essential operating procedure in RO (Reverse Osmosis) systems. This article explains why flushing is required before startup and after shutdown, how it protects RO membranes, and the overall benefits to system stability and longevity.
Best Water Temperature Range for RO Systems: Complete Guide for Optimal Performance| Insights by AQUALITEK
Understanding the ideal water temperature range for RO (Reverse Osmosis) systems is essential for ensuring stable performance, high permeate flow, and long membrane life. This guide explains the recommended temperature range, how temperature affects system efficiency, and best practices for both home and industrial RO applications.
Emergency Measures for Damaged RO Membrane Elements or Leaking Seals | Insights by AQUALITEK
This Best-style guide explains the emergency actions required when an RO membrane element is damaged or when a seal is leaking. It covers how to identify symptoms, immediate safety steps, temporary operating strategies, risks of continued use, and proper replacement procedures.
Ultimate Guide to Water Treatment Systems for Well Water 2026
Comprehensive guide to water treatment systems for well water in 2026, covering industrial solutions and safety.
Main Categories of RO System Malfunctions | Insights by AQUALITEK
This Best-style guide explains the major categories of malfunctions in industrial RO (reverse osmosis) systems. It covers mechanical, hydraulic, electrical, chemical, membrane-related, and operational issues, helping engineers diagnose problems quickly and optimize system performance.
How to Initially Assess Scale Risk from an Influent Water Quality Report| Insights by AQUALITEK
This Best-style guide explains how engineers and water treatment professionals can evaluate scale formation risks in RO, NF, and industrial water systems by interpreting influent water quality data. It covers key water parameters, diagnostic methods, and practical evaluation techniques to support reliable system design and operation.
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