The Nova website recommends 26,000 gallon change or once a year which ever occurs first, this is based on sending samples at different levels of water thru-put to lab.
Looking at the filters it is not possible with the naked eye to see 10 micron particles or less, so they may look clean but I can assure you they are NOT.
To the OP you were informed (with a printed instruction sheet) at the time of installation when we recommended to change the filters.
"watering plants all go through the filter system", not correct irrigation water does not go thru the filters.
Sorry for any miss understanding.
As to buying filter replacements online, no one has these same filters they are made to our specs.
Moreover, we sell the set for $85.
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Nova Water filters
Last edited by jimbo2012; 06-09-2022 at 03:10 PM.
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