Or edit rows by hand in the Data editor on the right.

Tip: drag any label to reposition it — a leader keeps it tied to its point. Double-click a label to snap it back.

Tap a swatch to recolour. Untick to hide a category from the plot.

Minimum meq-% for a group — Ca+Mg, Na+K, HCO₃+CO₃ or Cl+SO₄ — to name the water type. Below it that half of the name is “Mixed”.

Draws the dominant-ion fields A–G on the triangles, which follow the threshold above, and water types 1–4 on the diamond, which are fixed on 50% majorities.

Leaves only the keys on the figure and lists the names in a legend — cleaner when the plot is crowded.

Label size scales the text inside the figure, including the SVG and PNG you export.