: Never use "Industrial Grade" PG for food applications; it may contain trace impurities from the manufacturing process that aren't safe for ingestion.
Food-grade antifreeze is essentially high-purity , specifically those labeled as USP Grade (United States Pharmacopeia) or FCC (Food Chemicals Codex). Unlike toxic automotive antifreeze (ethylene glycol), food-grade PG is "Generally Recognized as Safe" (GRAS) by the FDA for indirect or limited direct food contact. 🛒 Where to Buy Food-Grade Antifreeze where to buy food grade antifreeze
: A major distributor for food-grade solvents and temperature regulators. 3. Big-Box Stores & Marine Shops (Best for Winterizing) : Never use "Industrial Grade" PG for food
If your goal is protecting potable water lines in an RV or boat, look for "RV/Marine Antifreeze" at local retailers. 🛒 Where to Buy Food-Grade Antifreeze : A
: Look for brands like Sanco Industries or Duda Energy which explicitly list "USP Grade".
is pure PG, often used as a direct food additive or humectant. ⚠️ Safety & Misconceptions