Tink's Peak30 Premium Doe Estrus Gell Stream - Tink's Peak30 Peak Heat Premium Doe Estrus is our most advanced and scientifically certified estrus deer urine available. Collected exclusively during a doe's Peak Standing Estrus-the critical 24-hour window when she is most receptive to breeding-this pure formula is guaranteed to contain 30pg/ml of estrogen, the peak level for a doe in heat. Each batch undergoes rigorous scientific testing to ensure purity and potency. PURE. CERTIFIED. TESTED. If you want to maximize attraction during the rut, Tink's Peak30 delivers the highest quality scent to bring bucks in close. The gel stream shoots up to 10 feet for precise placement, using Bag-in-Can technology to eliminate contamination and ensure complete product usage.