University of Virginia Library

Sec. 31-31. Same—Tests for acidity and alkalinity.

At any pool where alum or sulphate of alumina is used or
where artificial alkalinity is added to the water, the pool operator
must be supplied with a proper outfit for testing for
acidity and alkalinity and must make such tests on the water
every day that the pool is in use. (Code 1959, § 31-31.)