I&#x27;m sure he meant total alkalinity, which is a measure of buffering ability (ability to resist changes to pH).<p><a href="http:&#x2F;&#x2F;www.vanislewater.com&#x2F;what-total-alkalinity-swimming-pool-maintenance" rel="nofollow">http:&#x2F;&#x2F;www.vanislewater.com&#x2F;what-total-alkalinity-swimming-p...</a>