I've taken the gravel vac off and connected the end of the hose to a power head output for super fast tank draining.
I've also run an external pump inline with a water filter body ahead of it as a prefilter/stray gravel catcher as a power gravel washer. It also makes water changes on large tanks go faster.
I've also run an external pump inline with a water filter body ahead of it as a prefilter/stray gravel catcher as a power gravel washer. It also makes water changes on large tanks go faster.