To determine whether a specific Handy Andy product is acidic or basic, you should refer to the product's safety data sheet (SDS). The SDS contains information on the chemical composition and hazards of the product, including its pH level. The pH level of a substance indicates its acidity or basicity on a scale from 0 to 14, with 7 being neutral, values below 7 indicate acidity, and values above 7 indicate basicity.