I've used it to soak lower quality foods in before on picky eaters.. I have noticed it did imo help hlle issues in Oscars,pikes, and sw in tangs ect... but its debatable I guess as water changes ect where also increased and husbandry in general was improved for the fish as well. not sure if it helps boost growth... but if a fish is healthy its more likely to grow optimally.... imo more frequent water changes are the biggest growth booster once you address basic nutrition ect.

