DR TIM WASTE AWAY GEL SALTWATER MD 2PK 50GAL

Waste-Away gels continuously release good bacteria into aquarium water. These good bacteria consume nitrates, phosphates, and organics keeping the aquarium clean and water clear. Waste-Away gels release bacteria for a period of up to 30 days and change color when they need to be replaced, when it goes gray throw it away! Waste-Away gels are extremely easy to use, simply remove the film, attach the supplied suction cup and position the gel in your aquarium, sump or filter.