The literature on this page is available to you free of charge. All documents can be viewed and printed using the software Adobe Acrobat Reader, which is also available for free. Click on icon below and follow the instructions by Adobe. If you already have Adobe Acrobat Reader, you can just click on the literature names.
This informational literature is helpful if you have problems in wells due to a loss of yield caused by slime/iron bacteria, mineral deposits, silt build-up in aquifiers, etc.