Consumer advocacy groups warn that a hidden lead exposure danger to pets and people comes from the dishes and glasses we use every day. Leaded crystal wine goblets and cut glass pet bowls, along with glazed pottery from abroad both have the potential to introduce trace amounts of lead into the body, which can accumulate over time.

California has already regulated the content of lead in its glass stemware, requiring anyone who sells or serves beverages in leaded crystal to state its potential health risks on the premises. Canada has guidelines in effect for the amounts of lead contained in glass sold there.

Lead is commonly added to glass to increase its luster and sparkle, particularly in cut glass, sold as “crystal” or “leaded crystal.” Increasing research indicates that these products may be harmful to our health.

The use of lead-based glazes on pottery made for everyday eating and drinking has been banned in the U.S. for several decades. However, China, Vietnam and other countries renowned for their pottery production still use primarily lead-based glazes.

It is important to note that the FDA has not yet released guidelines for the documentation of lead in foreign pottery glazes. In fact, imported glazed bowls may contain far greater amounts of lead than is considered safe in the North American market.

When lead-based glazes become chipped, are filled with acidic foods or liquids or tepid or warm water for extended periods of time, the lead can be released into the contents of the bowl to be consumed.

It may be impossible to tell how much lead your products contain. There are a few good rules to follow when helping consumers limit their pet’s lead exposure potential.

• Encourage customers to routinely inspect bowls for cracks and chips. Recommend replacement at the slightest indication of signs of wear.
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• Advise customers to avoid filling dishes with warm or hot foods or liquids.
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• Most dog food ingredients are slightly acidic and should only remain in the bowl long enough to be consumed. The longer they sit in the bowl, the more likely they are to release any lead present in the glass or glaze.
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• Change water frequently, several times a day if possible, to eliminate the potential for leaking of lead into the liquid. Clean bowls often.

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