Our Professional Colloidal Silver Generators can make five gallon (19 liters distilled water) in 15 hours at 35.4 ppm per channel using distilled water. If two Channel Commercial Generator is used then 10 gallons can be made in on batch, for four channel 20 gallons can be made and for 6 channel 30 gallons can be made in one batch at 35 ppm, for larger batches for example 60-100 gallons two six channel can be used.
https://biosilverstreamgen.com/product-category/commercial/
Feel free to contact us if you have any questions at info@biosilverstreamgen.com or 289-464-0114.