He meant lime the citrus fruit, you meant slaked lime, or quick lime. You are both right.
None of which alters the fact that AQLV's absurd and ridiculous claims for its "programmed water" marks Craig Hoffman out as a snake oil salesman of the worst sort.
Nor the fact that by their own admission, in conducting an unauthorized, uncontrolled, unregistered and unapppoved study in ten sick Kenyans, Messrs Mutisya and Hoffman have hastened the death of these unfortunate folks.