Without actual numbers it is hard to tell. Usually it will take about 4-6 weeks for a cycle to complete, but the tetra safe may have help ( I have never used that product).
Have you ever measured Nitrites?
The only way for Nitrates to go down is with water changes and/or plants.
Have you ever measured Nitrites?
The only way for Nitrates to go down is with water changes and/or plants.