Water in your spa can only be treated for 3-4 months. After that the water needs to be dumped and refilled with new tap water and repeat initial start up procedure.
Rinse your filter with a low pressure hose or filter wand which will do a better, faster job. Use a bucket and mix an approved filter cleaner solution. (Follow the instructions on the label). Filter cleaners remove microscopic debris, oils and fats from the extremely small pores of the filter cartridge media. DO NOT use a filter cleaning solution on Purezone micron filters. It will destroy them. Purezone filters are not cleanable, they must be replaced every 3-4 Months. DO NOT use Nappy San or the like. It can damage the filter media. Once your filter is clean, leave out to dry. This shrinks the microscopic holes in the filter media back to their normal size and they will filter more efficiently. Many people rotate two sets of filters which lengthens the life of the filter cartridge.
Purezone filters cannot be cleaned and must be replaced every 3-4 months.
You may have a issues and questions about how to maintain your spa water. Below is a helpful spa water troubleshooting guide that should be able to help you.
Remove your spa filters, rinse using a water wand filter cartridge cleaner or low pressure hose.
Clean your filters with an approved filter cartridge cleaner solution which will remove scale, oils and microscopic organic material that rinsing alone cannot.
DO NOT use a filter cartridge cleaner on Purezone filters, it will ruin them. Purezone filters cannot be cleaned and should be replaced every 3-4 months depending on the bather load.
If your pleated filters are over a year old they might need to be replaced. It is always best to keep two sets of filters and rotate them so that you can allow each set to dry out thoroughly between cleanings. This allows the micro-fibre pores to shrink back to their original size enabling the filter to perform better and last longer.
DO NOT use Nappy San. It is not designed for cleaning filter media and can reduce the life of your filter.
If you are using bore or rainfall water and have followed the recommendations above but your water is still a cloudy you may need to use a water clarifier or flock. Study the guidelines for dose rates. Essentially the water clarifier works by grabbing microscopic particles of organic matter and combining them into larger particles where they can quickly be captured in the filter media.
Important: If you use Purezone spa filters, follow the dosing instructions so that you do not prematurely plug your filter. Spa chemicals take time to work. Be patient.