Dutch Oven - Cast Iron - 10 1/8" inside opening x 4 1/8" tall    US $22.50

antique CARLISLE #8 cast iron dutch oven w/ drip lid -restored    US $49.99

Bayou Classic 8-1/2 qt Cast-Iron Dutch Oven & Lid NEW    US $72.99

VINTAGE LODGE 5 QT. CAST IRON DUTCH OVEN W/ LID & HANDLE VGC.L@@K!!!!    US $30.00

Vintage No 8 Cast Iron Dutch Oven /Pot With Lid/Cover Made in USA Nice Cooking,    US $45.00

TRAMONTINA CAST IRON RED ENAMELED DUTCH OVEN 6.5 QUARTS EXCELLENT CONDITION    US $29.00

Antique No. 10 Cast Iron Dutch Oven    US $19.99

King Kooker CI20 Cast Iron Dutch Oven    US $90.63

MARTHA STEWART RED ENAMEL CAST IRON DUTCH OVEN 5.5 QT.    US $9.99

I'm wondering if cooking something liquidy, especially something acidic like tomato sauce, will ruin the seasoning of cookware like a wok or cast iron pan.