🔬 If you mean chemistry or health:
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Salt deduction could mean reducing sodium/salt content in food or a product — common in health diets or food labeling.
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Example: "Low-sodium" food options or "salt reduction strategy."
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💸 If you mean tax or salary deduction:
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You might be asking if salt (table salt or food items) is tax-deductible, or referring to a deduction code like “SALT”:
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In U.S. tax, SALT = State And Local Tax deduction.
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This is a tax break where you can deduct state and local income or property taxes on your federal return (capped at $10,000 as of 2024).
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🧂 If you mean salt in cryptography or coding:
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A “salt” is a random value added to passwords before hashing to improve security.
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A "salt deduction" might be misworded here; maybe you're asking how to extract salt or reverse a hash — which is generally not possible for secure systems.
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