Heat and salt are enemies of cookware. Do not use excessive heat. It will cause rainbows on metal cookware and discoloration on enameled cast iron like Le Creuset.
If you want to salt the water, wait until it boils. Failure to do this will cause pitting on metal cookware.
This pot is over 30 years old.
Source: Williams Sonoma cooking class.
This is a page about caring for cast iron cookware. Many cooks love their cast iron cookware. Don't be put off by concerns for its upkeep. It is actually quite easy.
Daily use can leave your shiny stainless steel cookware discolored or burnt. This is a page about cleaning stainless steel cookware.
Aluminum ccookie sheets and other types of bakeware can be frustrating to clean, especially the baked on grease and cooking sprays. This is guide about cleaning cookie sheets and bakeware.
This is a page about cooking with cast iron pans. Cast iron pans are a safer alternative to non-stick pans. For the best results, it is important to know how to season and clean them.
Following is a review of materials in popular use in cookware today. This review may serve as a guide to safe cooking.