The whole of-house replacement filter descriptions…
To maximise the filter life, we recommend cleaning your water tank regularly. This will reduce the likelihood of sediment from the water tank prematurely blocking up the filters. Especially after longer than normal wet or dry spells and/or when the water in the tanks is running low.
If you’re concerned about your rainwater tanks there are products available to kill all nasties bacteria (pathogens) in your tanks. One on the market today is called “Tanksafe” (contained 7.9% Hydrogen peroxide (H2O2) non-dangerous according to Australian Dangerous Goods Code 7th Edition (ADG7). 2L treats 32,000L, in 24 hours your tank will be pathogen-free for up to 2 months.
* An absolute 1-micron filter traps 99.9 % of particles of 1 micron and larger. An absolute rating is the size of the smallest particle retained by a filter with a stated efficiency, such as 99%, under defined test conditions. Absolute ratings are typically applied to the membrane or high-performance non-woven filters.