Solubility changes with changes in pH. Total dissolved solids is an index of the amount of material/soluble salts dissolved in the water.
(Solubility changes with changes in pH; is; an index of the amount of material/soluble salts) (material/soluble salts; dissolved; L:in the water)
Solubility changes with changes in pH material/soluble salts
is dissolved
an index of the amount of material/soluble salts
L:in the water