Quote Originally Posted by bigsby
I've seen it advertised but have no experience. I use Nitrozime which is a seaweed extract. I use if both as a foliar spray and in the soil. It's a seaweed extract and likely a cheaper product will do just as well. I inherited a quart which seems to last forever. Look at what RT has to say about superthrive. He nails it.
Where would I find that about the Superthrive? Cause I've used it for years.. No adverse affects.. Just curious as to where the info came from..