Bio-Tank Holding Tank Treatment – 4oz *Case of 12*
- Bio-Tank 40 is safe and natural
- Eliminates offensive odors
- Specifically for your holding tank
- Contains HT-40™
- Case of 12
Directions: Mix 1oz of Bio-Tank 40 with one gallon of water for up to a 60 gallon tank (adjust dosage slightly to meet your specific need).