If you’ve got more than 400 ppm of dissolved solids in your water, ZeroWater cartridges might need replacing after just 10 gallons. At about $10 per filter, a water softener and reverse-osmosis system start looking more reasonable if you’re filtering more than a gallon per day of something like mineral-rich well water. With the fluoride-capturing… Continue reading Can You Overfill a Brita Filter? Surprising Answer Water Treatment