How hard is my water?

Jordan finds success in soft water for his plants, but how hard is your own supply? Here’s a breakdown of what’s hard and what’s not, based on a water’s Total Dissolved Solids (TDS) in parts per million.

0-70ppm — Very soft water 70-150ppm — Soft water 150-250ppm — Slightly hard water 250-320ppm — Moderately hard water 320-420ppm — Hard water

420ppm+ — Very hard water