Turmeric is an ingredient in many herp supplements and FF media, including Repashy Superfly.
Unless you're experienced in FF culturing, and know what nutritional profile you're aiming for in a FF media, I'd highly recommend using a prepackaged media. They're crazy cheap per cx (~50 cents) and produce reliably, and don't run the risk of nutritional imbalances in the feeder insects as they've been tested for decades.
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