Korallen-zucht makes an amino acid product too, been out for many years. Nobody has the market cornered on this, and there isn't any reason to believe that one product is substantially better than all the rest. Hard to choose, it all really comes down to marketing and word of mouth.
Someone should do a study that evaluates a few of these products vs a control. Maybe Than at tidal gardens should do it!
Someone should do a study that evaluates a few of these products vs a control. Maybe Than at tidal gardens should do it!