INSTRUCTIONS FOR USE:
One Pack Treats One Forty Gallon Tank
Normal Cleaning + Treatment
1. Dump your black tank
2. Rinse your black tank thoroughly to remove residual waste and previous treatments
3. Close your black tank valve
4. Add 1 to 3 gallons of fresh water to your black tank by depressing your flush pedal for 30 seconds
5. Fill your toilet bowl half-full with water
6. Drop 1 pack into water and let dissolve
7. Spread with a gentle RV toilet brush to cover entire bowl
8. Allow Flush-lt to sit in the toilet bowl for 5 to 15 minutes(or longer) to activate
9. Scrub bowl with a gentle RV toilet brush to remove stains
10. Repeat if necessary
11. Flush toilet, holding down flush pedal for 10 to 20 seconds
12.Add several inches of water to toilet bowl
13. Repeat every 3 to 5 days