Feb 3, 2023 · The BFT system started at the beginning of this experiment utilized the new biofloc water. Old versus new biofloc waters, low- versus high-TSS old biofloc waters, and old versus new low-TSS waters were the planned comparisons evaluated. Fingerling catfish (47.5 ± 0.8 g/fish; mean ± SD) were stocked into tanks at 13.5 fish per square meter (16