Im not convinced these boosters do all that much. I am a current AN 3part user, and love the ease and versatility of it. BUT, I did try their BIG BUD and Voodoo Juice at one time. Lets just say I returned the products and bought more of the 3 parts. I like a clean/synthetic tank, so the 2 expensive boosters just pissed me off. Damn, how much crap you gotta dump in a tank? Fukn fighting sludge and all kinds of crap. Not to mention, voodoo is organic. Chlorinated tap water puts a damper on that shit anyhow. Ive never suffered ph problems, aside from ME adding to much down. I just set my 15 gallons at 5.4 and top it off each 3 days and add the tiniest bit of down (1/8 ounce). Sometimes when the ladies are booming and my tanks are older, the ph stays put. Once it drops, salt buildup, time to changeout.
I do use "Bud Ignitor", and have done a side by side comparison. Now, I dont know what is in it. It says on the bottle, but whatever it is, I did notice a small ammount of evidence to back those claims. I may find the same thing cheaper, but since it does what they say, Ill line thier pockets on that. Besides, they DO stand behind the warranty. As for flower enhancers, I dont really use any. Having the base nutes at rockin high levels and then tapering before flower....what else you need to do? I keep overdrive around, but more as a flowering cycle extender. If a few gals are small and the room has a couple weeks cycle left, I use overdrive and it seems to work. I was using final phase, but after I had to chop crop in a blink, some of the ladies were into thier 500ppm flower nutes upon chop. Still yet, no chemical flavor.
For now, Im thinking that keeping it simple and easily monitored is worth way more than a few bloom boosters. AN 3 part as a base, earth juice microblast (every 2 months for the manganese ect..) earth juice meta-k (for chanes from clone to hps, and the veg to flwr), and 'bud Ignitor' at flower change. After a few grows, it was nice to finally settle on just these few. I spend more time training and staring, than mixing and measuring now. Confidence, repetitiveness and simplicity for the win.
Happy growing to ya!