Description Description Hide Show Since it’s introduction in 1989 Slam-ola powder has proven itself to be one of the hottest scents ever developed for salmon and steelhead. Slam-ola is a chemical scent powder that does best when given a few hours to marinate into your bait. Hundreds of guides and many thousands of anglers regularly sprinkle Slam-ola powder on their eggs to get a tough bite going. It’s also a great additive to sardine fillets for Qwikfish wraps.