NT Labs MediKoi Probiotic Growth 6mm 10kg Pond Fish PelletMedikoi Probiotic Growth from NT Labs provides both the beneficial probiotic bacteria for Koi but it also contains a food for the beneficial bacteria too in the form of a prebiotic (fructo oligosaccharide). This combination ensures a vigorous population of gut bacteria and digestive enzymes which over time results in a vastly improved ability to absorb nutrients, optimises body mass gain and massively reduces waste. Allow up to 6 weeks for noticeable