You can never be completely sure what effect two products can have on a surface or fabric when combined, according to an article on The Daily Courier website.

Always read the warning and ingredients labels on cleaning products — and avoid these combinations (among others):

• Drain cleaner and drain cleaner. Never recommend mixing two different drain cleaners or even using one right after the other.

• Baking soda and vinegar. Although these pantry staples are handy on their own, skip any DIY cleaner recipe that involves these.

• Hydrogen peroxide and vinegar. Don’t mix the two products in the same container. Combining them creates peracetic acid, which is potentially toxic and can irritate the skin, eyes and respiratory system.

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