- Joined
- May 16, 2015
- Messages
- 5,463
- Reaction score
- 2,805
- Location
- Mitchell SD
- What state or country do you live in
- South Dakota
50 ppm of nitrates is a lot of n03 to go through it would take some time.... life bio fill was developed to he'll in the housing of the bacteria to true a population. U don't need it but it would take longerYes. Throughout my use of -NP Pro I dosed Pro Bio S regularly thanks![]()

