Welcome to our forum.
Just curious what options are out there besides bleach and the filter cleaners specifically made for spas.
I also use filter cleaner.
I use water.
I use only water. My filters lasted 4 years.
Do you just dip it in a bucket of water??
I use one of these;http://www.youtube.com/watch?v=VzzV-cWMsS4I'm lazy, so this allows me to just turn on the hose, walk away, come back in a few minutes and it's clean.