I don't make to much , home work about of this, but sound to me , like a lot of dif. Bacteria , you may introduce in you system, sound good, i trust this comp. Now you the judge , if you really need it, Protein Skimmer may remove some amount of Bacteria, Ozone also , UV also, Hydrogen Peroxide also , water change also, some Corals may consume some of Bacteria, if you run lots of GFO, also may STOP the Bacteria to grow, if you got undetectable Nitrate , also Bacteria may STOP multiply, If you doing , just fine, i will give a try, i always go Bio. Bio pellets ,may feed this ..........??!!!! "BioGro 2 contains 14 strains of bacteria" we don't know, anther source of Carbon ( Sugar, Vinegar, Vodka, Vitamin C etc.) may feed those "14 strains", but don't hurt to buy, make sure , you got good Protein Skimmer and do not over dose.
I like to mix the strains of Bacteria, i like Zeo, Bac 7, they give a good result.