Clean pool robot filters using a secret method - make them filter better

If you use a robot pool cleaner, the cleaner the filters, the better the robot works. Often the filters are miss treated and are all stained , dirty and clogged. This shows a method to clean the filters almost back to the original look . The cleaner filters have less clogging the holes and will filter better.
At the end of the video I guessed the product may have been alkaline but I have been informed it is actually acidic . Smells quite nice too.