Recommended for those who are concerned about the smell of their septic tank. [Features] Oles is recommended for septic stinks. In order to promote purification, recovery, deodorization, and maintain the septic tank (simple and merged). It can also be used for seeding (seeding). Used by septic tank management companies. ■ Aures deodorizing mechanism■ Aures contains a wide variety of useful microorganisms (aerobic and passive anaerobic bacteria) including the same symbiological bacteria made with our own mixed culture technology. This useful microbial group provides co-co-operative power in accordance with conditions and cleans the environment. ■ Special Effects ■ ◇ Reduces odor due to recovery, maintaining and purification effects such as septic tank or air pump failure ◆ Restores purification disorder due to high blood pressure and diabetes chemicals ◆ Improves BOD and COD removal, decreasing dirt & prevents fermentation of raw waste & other odors ■ How to use Oles 500 Large Septic tank function Promotes recovery, maintain, and purification: Add 100 ppm (3.5 oz (100 g) per t.) to the base tank. Every day when the function is degraded, throw it in 2 to 3 days after the function is recovered. (Odor Relief for Vacuum Vehicles) When first pumping, please sprinkle a 4t car in the toilet tank 17.6 oz (500 g), 2t car 10.6 oz (300 g) and scoop it as is. Stink release lasts until tank is full.