A: For personal use in a non-commercial lab? Unlikely. For using it to operate a real wastewater plant that serves the public? Yes—you and your employer could face felony charges under the US Computer Fraud and Abuse Act (CFAA) or similar laws.
A quick search for the term reveals thousands of queries from plant operators, maintenance technicians, and budget-conscious engineers. The promise is tempting: get professional-grade membrane restoration software without paying a cent. mbr regenerator v45 free
A: Use the Manual Chemical Cleaning Spreadsheet from the Water Environment Federation (free PDF guide) combined with Hach WIMS (free for basic data logging). No software license required. A: For personal use in a non-commercial lab