https://envirofluid.com/case-s ...
Published by Ben Ohlmeyer, Director at Envirofluid
https://envirofluid.com/case-studies/removing-clogging-issues-from-media-filters-at-a-recycled-wastewater-treatment-plant should assist and i will be very glad to forward futher product details if further enquiry can be sent to ben.ohlmeyer@envirofluid.com