Here are the instructions you need:
Cleaning-your-Cartridge-Filter-without-Damaging-It!


Using a pressure washer can destroy cartridges instantly. Here are some 2013 pics of cartridges at a local fitness center that had been pressure washed:







These were very expensive StaRite System3 cartridges. They had multiple filters, and had to spend over $2,000 buying a single new set for all filters.