tds

Hey all, I recently bought a TDS meter and measured my tap water at 80 TDS. Just before a water change a week ago my TDS was at 260 ppm. I changed 50% of water, and as you'd expect TDS was around 170ppm. A week later, I did another 50% water change but now TDS is at 200, so it is steadily...

Hi all, i'm a new user and so excited to be here. I've been following and lurking around here for quite a while, but somehow I managed to live off your wisdom without ever contributing or needing much help... Well, that day has come. :p Last year I moved to an old 100 year old house that runs...