Here's a step by step guide for cleaning spa and hot tub filter cartridges: Turn off spa, open filter canister and remove cartridge. Spray carefully with a high pressure hose nozzle to remove debris from each pleat. Soak the cartridge for 8 hours in TSP solution (1 cup TSP per 5 gallons hot water).
How to Clean Hot Tub Filters in the Dishwasher. Scrub between the filter divisions with the toothbrush under very hot water. Place the hot tub filter in the top rack of the dishwasher, adding 1 tbsp. of baking soda to the detergent dispenser. Run the dishwasher for 4 minutes. Flip the filter around on the dishwasher.
You have heard that some people clean their hot tub filters in the dishwasher. Maybe you think this is crazy. Maybe you are one who does it. It can be done.
You can clean it the same way or you can use a dishwasher to help speed the cleaning process (unless your spa is using Baqua Spa water care products).
A great way to keep your hot tub filter cartridge sparkling clean is to run it through the dishwasher! This will get the grease and gunk out of your filter with very .