
iSpring has great products and systems. I have a 5 stage iSpring reverse osmosis system with hard well water. My setup has 20 inch filters down to 0.5 micron and a plasticizer before distribution around the house and this system takes TDS after all my other filters from 410 to 23. Changing the filter at 6 months is the way to go , and I prefer flavor over bottles If you go to the manufacturer for anything, Nick at iSpring is great!

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